1991301120

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 576

約数和(自身を含む): 7727166720

約数和(自身を除く): 5735865600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 32, 34, 36, 40, 41, 45, 48, 51, 60, 62, 64, 68, 72, 80, 82, 85, 90, 93, 96, 102, 120, 123, 124, 128, 136, 144, 153, 155, 160, 164, 170, 180, 186, 192, 204, 205, 240, 246, 248, 255, 256, 272, 279, 288, 306, 310, 320, 328, 340, 360, 369, 372, 384, 408, 410, 465, 480, 492, 496, 510, 512, 527, 544, 558, 576, 612, 615, 620, 640, 656, 680, 697, 720, 738, 744, 765, 768, 816, 820, 930, 960, 984, 992, 1020, 1024, 1054, 1088, 1116, 1152, 1224, 1230, 1240, 1271, 1280, 1312, 1360, 1394, 1395, 1440, 1476, 1488, 1530, 1536, 1581, 1632, 1640, 1845, 1860, 1920, 1968, 1984, 2040, 2048, 2091, 2108, 2176, 2232, 2304, 2448, 2460, 2480, 2542, 2560, 2624, 2635, 2720, 2788, 2790, 2880, 2952, 2976, 3060, 3072, 3162, 3264, 3280, 3485, 3690, 3720, 3813, 3840, 3936, 3968, 4080, 4182, 4216, 4352, 4464, 4608, 4743, 4896, 4920, 4960, 5084, 5120, 5248, 5270, 5440, 5576, 5580, 5760, 5904, 5952, 6120, 6144, 6273, 6324, 6355, 6528, 6560, 6970, 7380, 7440, 7626, 7680, 7872, 7905, 7936, 8160, 8364, 8432, 8704, 8928, 9216, 9486, 9792, 9840, 9920, 10168, 10240, 10455, 10496, 10540, 10880, 11152, 11160, 11439, 11520, 11808, 11904, 12240, 12546, 12648, 12710, 13056, 13120, 13940, 14760, 14880, 15252, 15360, 15744, 15810, 15872, 16320, 16728, 16864, 17408, 17856, 18432, 18972, 19065, 19584, 19680, 19840, 20336, 20910, 20992, 21080, 21607, 21760, 22304, 22320, 22878, 23040, 23616, 23715, 23808, 24480, 25092, 25296, 25420, 26112, 26240, 27880, 29520, 29760, 30504, 30720, 31365, 31488, 31620, 31744, 32640, 33456, 33728, 34816, 35712, 37944, 38130, 39168, 39360, 39680, 40672, 41820, 41984, 42160, 43214, 43520, 44608, 44640, 45756, 46080, 47232, 47430, 47616, 48960, 50184, 50592, 50840, 52224, 52480, 55760, 57195, 59040, 59520, 61008, 62730, 62976, 63240, 63488, 64821, 65280, 66912, 67456, 71424, 75888, 76260, 78336, 78720, 79360, 81344, 83640, 83968, 84320, 86428, 87040, 89216, 89280, 91512, 92160, 94464, 94860, 95232, 97920, 100368, 101184, 101680, 104448, 104960, 108035, 111520, 114390, 118080, 119040, 122016, 125460, 125952, 126480, 129642, 130560, 133824, 134912, 142848, 151776, 152520, 156672, 157440, 158720, 162688, 167280, 168640, 172856, 174080, 178432, 178560, 183024, 188928, 189720, 190464, 194463, 195840, 200736, 202368, 203360, 209920, 216070, 223040, 228780, 236160, 238080, 244032, 250920, 251904, 252960, 259284, 261120, 267648, 269824, 285696, 303552, 305040, 313344, 314880, 317440, 324105, 325376, 334560, 337280, 345712, 356864, 357120, 366048, 377856, 379440, 388926, 391680, 401472, 404736, 406720, 419840, 432140, 446080, 457560, 472320, 476160, 488064, 501840, 505920, 518568, 522240, 535296, 539648, 571392, 607104, 610080, 629760, 648210, 650752, 669120, 674560, 691424, 713728, 714240, 732096, 755712, 758880, 777852, 783360, 802944, 809472, 813440, 864280, 892160, 915120, 944640, 952320, 972315, 976128, 1003680, 1011840, 1037136, 1070592, 1079296, 1214208, 1220160, 1259520, 1296420, 1301504, 1338240, 1349120, 1382848, 1427456, 1428480, 1464192, 1517760, 1555704, 1566720, 1605888, 1618944, 1626880, 1728560, 1784320, 1830240, 1889280, 1944630, 1952256, 2007360, 2023680, 2074272, 2141184, 2428416, 2440320, 2592840, 2603008, 2676480, 2698240, 2765696, 2856960, 2928384, 3035520, 3111408, 3211776, 3237888, 3253760, 3457120, 3568640, 3660480, 3778560, 3889260, 3904512, 4014720, 4047360, 4148544, 4282368, 4856832, 4880640, 5185680, 5352960, 5396480, 5531392, 5856768, 6071040, 6222816, 6423552, 6507520, 6914240, 7137280, 7320960, 7778520, 7809024, 8029440, 8094720, 8297088, 9713664, 9761280, 10371360, 10705920, 11062784, 11713536, 12142080, 12445632, 12847104, 13015040, 13828480, 14641920, 15557040, 16058880, 16189440, 16594176, 19522560, 20742720, 21411840, 22125568, 23427072, 24284160, 24891264, 27656960, 29283840, 31114080, 32117760, 33188352, 39045120, 41485440, 44251136, 48568320, 49782528, 55313920, 58567680, 62228160, 64235520, 66376704, 82970880, 99565056, 110627840, 117135360, 124456320, 132753408, 165941760, 199130112, 221255680, 248912640, 331883520, 398260224, 497825280, 663767040, 995650560, 1991301120]

約数ペア:

[(1, 1991301120), (2, 995650560), (3, 663767040), (4, 497825280), (5, 398260224), (6, 331883520), (8, 248912640), (9, 221255680), (10, 199130112), (12, 165941760), (15, 132753408), (16, 124456320), (17, 117135360), (18, 110627840), (20, 99565056), (24, 82970880), (30, 66376704), (31, 64235520), (32, 62228160), (34, 58567680), (36, 55313920), (40, 49782528), (41, 48568320), (45, 44251136), (48, 41485440), (51, 39045120), (60, 33188352), (62, 32117760), (64, 31114080), (68, 29283840), (72, 27656960), (80, 24891264), (82, 24284160), (85, 23427072), (90, 22125568), (93, 21411840), (96, 20742720), (102, 19522560), (120, 16594176), (123, 16189440), (124, 16058880), (128, 15557040), (136, 14641920), (144, 13828480), (153, 13015040), (155, 12847104), (160, 12445632), (164, 12142080), (170, 11713536), (180, 11062784), (186, 10705920), (192, 10371360), (204, 9761280), (205, 9713664), (240, 8297088), (246, 8094720), (248, 8029440), (255, 7809024), (256, 7778520), (272, 7320960), (279, 7137280), (288, 6914240), (306, 6507520), (310, 6423552), (320, 6222816), (328, 6071040), (340, 5856768), (360, 5531392), (369, 5396480), (372, 5352960), (384, 5185680), (408, 4880640), (410, 4856832), (465, 4282368), (480, 4148544), (492, 4047360), (496, 4014720), (510, 3904512), (512, 3889260), (527, 3778560), (544, 3660480), (558, 3568640), (576, 3457120), (612, 3253760), (615, 3237888), (620, 3211776), (640, 3111408), (656, 3035520), (680, 2928384), (697, 2856960), (720, 2765696), (738, 2698240), (744, 2676480), (765, 2603008), (768, 2592840), (816, 2440320), (820, 2428416), (930, 2141184), (960, 2074272), (984, 2023680), (992, 2007360), (1020, 1952256), (1024, 1944630), (1054, 1889280), (1088, 1830240), (1116, 1784320), (1152, 1728560), (1224, 1626880), (1230, 1618944), (1240, 1605888), (1271, 1566720), (1280, 1555704), (1312, 1517760), (1360, 1464192), (1394, 1428480), (1395, 1427456), (1440, 1382848), (1476, 1349120), (1488, 1338240), (1530, 1301504), (1536, 1296420), (1581, 1259520), (1632, 1220160), (1640, 1214208), (1845, 1079296), (1860, 1070592), (1920, 1037136), (1968, 1011840), (1984, 1003680), (2040, 976128), (2048, 972315), (2091, 952320), (2108, 944640), (2176, 915120), (2232, 892160), (2304, 864280), (2448, 813440), (2460, 809472), (2480, 802944), (2542, 783360), (2560, 777852), (2624, 758880), (2635, 755712), (2720, 732096), (2788, 714240), (2790, 713728), (2880, 691424), (2952, 674560), (2976, 669120), (3060, 650752), (3072, 648210), (3162, 629760), (3264, 610080), (3280, 607104), (3485, 571392), (3690, 539648), (3720, 535296), (3813, 522240), (3840, 518568), (3936, 505920), (3968, 501840), (4080, 488064), (4182, 476160), (4216, 472320), (4352, 457560), (4464, 446080), (4608, 432140), (4743, 419840), (4896, 406720), (4920, 404736), (4960, 401472), (5084, 391680), (5120, 388926), (5248, 379440), (5270, 377856), (5440, 366048), (5576, 357120), (5580, 356864), (5760, 345712), (5904, 337280), (5952, 334560), (6120, 325376), (6144, 324105), (6273, 317440), (6324, 314880), (6355, 313344), (6528, 305040), (6560, 303552), (6970, 285696), (7380, 269824), (7440, 267648), (7626, 261120), (7680, 259284), (7872, 252960), (7905, 251904), (7936, 250920), (8160, 244032), (8364, 238080), (8432, 236160), (8704, 228780), (8928, 223040), (9216, 216070), (9486, 209920), (9792, 203360), (9840, 202368), (9920, 200736), (10168, 195840), (10240, 194463), (10455, 190464), (10496, 189720), (10540, 188928), (10880, 183024), (11152, 178560), (11160, 178432), (11439, 174080), (11520, 172856), (11808, 168640), (11904, 167280), (12240, 162688), (12546, 158720), (12648, 157440), (12710, 156672), (13056, 152520), (13120, 151776), (13940, 142848), (14760, 134912), (14880, 133824), (15252, 130560), (15360, 129642), (15744, 126480), (15810, 125952), (15872, 125460), (16320, 122016), (16728, 119040), (16864, 118080), (17408, 114390), (17856, 111520), (18432, 108035), (18972, 104960), (19065, 104448), (19584, 101680), (19680, 101184), (19840, 100368), (20336, 97920), (20910, 95232), (20992, 94860), (21080, 94464), (21607, 92160), (21760, 91512), (22304, 89280), (22320, 89216), (22878, 87040), (23040, 86428), (23616, 84320), (23715, 83968), (23808, 83640), (24480, 81344), (25092, 79360), (25296, 78720), (25420, 78336), (26112, 76260), (26240, 75888), (27880, 71424), (29520, 67456), (29760, 66912), (30504, 65280), (30720, 64821), (31365, 63488), (31488, 63240), (31620, 62976), (31744, 62730), (32640, 61008), (33456, 59520), (33728, 59040), (34816, 57195), (35712, 55760), (37944, 52480), (38130, 52224), (39168, 50840), (39360, 50592), (39680, 50184), (40672, 48960), (41820, 47616), (41984, 47430), (42160, 47232), (43214, 46080), (43520, 45756), (44608, 44640)]