19947294720

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3557

約数の個数: 312

約数和(自身を含む): 71393018112

約数和(自身を除く): 51445723392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 512, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1024, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1536, 1860, 1920, 1984, 2048, 2232, 2304, 2480, 2560, 2790, 2880, 2976, 3072, 3491, 3720, 3840, 3968, 4096, 4464, 4608, 4960, 5120, 5580, 5760, 5952, 6144, 6982, 7440, 7680, 7936, 8928, 9216, 9920, 10240, 10473, 11160, 11520, 11904, 12288, 13964, 14880, 15360, 15872, 17455, 17856, 18432, 19840, 20480, 20946, 22320, 23040, 23808, 27928, 29760, 30720, 31419, 31744, 34910, 35712, 36864, 39680, 41892, 44640, 46080, 47616, 52365, 55856, 59520, 61440, 62838, 63488, 69820, 71424, 79360, 83784, 89280, 92160, 95232, 104730, 108221, 111712, 119040, 125676, 126976, 139640, 142848, 157095, 158720, 167568, 178560, 184320, 190464, 209460, 216442, 223424, 238080, 251352, 279280, 285696, 314190, 317440, 324663, 335136, 357120, 380928, 418920, 432884, 446848, 476160, 502704, 541105, 558560, 571392, 628380, 634880, 649326, 670272, 714240, 837840, 865768, 893696, 952320, 973989, 1005408, 1082210, 1117120, 1142784, 1256760, 1298652, 1340544, 1428480, 1623315, 1675680, 1731536, 1787392, 1904640, 1947978, 2010816, 2164420, 2234240, 2513520, 2597304, 2681088, 2856960, 3246630, 3351360, 3463072, 3574784, 3895956, 4021632, 4328840, 4468480, 4869945, 5027040, 5194608, 5362176, 5713920, 6493260, 6702720, 6926144, 7149568, 7791912, 8043264, 8657680, 8936960, 9739890, 10054080, 10389216, 10724352, 12986520, 13405440, 13852288, 14299136, 15583824, 16086528, 17315360, 17873920, 19479780, 20108160, 20778432, 21448704, 25973040, 26810880, 27704576, 31167648, 32173056, 34630720, 35747840, 38959560, 40216320, 41556864, 42897408, 51946080, 53621760, 55409152, 62335296, 64346112, 69261440, 71495680, 77919120, 80432640, 83113728, 103892160, 107243520, 110818304, 124670592, 128692224, 138522880, 155838240, 160865280, 166227456, 207784320, 214487040, 221636608, 249341184, 277045760, 311676480, 321730560, 332454912, 415568640, 443273216, 498682368, 554091520, 623352960, 643461120, 664909824, 831137280, 997364736, 1108183040, 1246705920, 1329819648, 1662274560, 1994729472, 2216366080, 2493411840, 3324549120, 3989458944, 4986823680, 6649098240, 9973647360, 19947294720]

約数ペア:

[(1, 19947294720), (2, 9973647360), (3, 6649098240), (4, 4986823680), (5, 3989458944), (6, 3324549120), (8, 2493411840), (9, 2216366080), (10, 1994729472), (12, 1662274560), (15, 1329819648), (16, 1246705920), (18, 1108183040), (20, 997364736), (24, 831137280), (30, 664909824), (31, 643461120), (32, 623352960), (36, 554091520), (40, 498682368), (45, 443273216), (48, 415568640), (60, 332454912), (62, 321730560), (64, 311676480), (72, 277045760), (80, 249341184), (90, 221636608), (93, 214487040), (96, 207784320), (120, 166227456), (124, 160865280), (128, 155838240), (144, 138522880), (155, 128692224), (160, 124670592), (180, 110818304), (186, 107243520), (192, 103892160), (240, 83113728), (248, 80432640), (256, 77919120), (279, 71495680), (288, 69261440), (310, 64346112), (320, 62335296), (360, 55409152), (372, 53621760), (384, 51946080), (465, 42897408), (480, 41556864), (496, 40216320), (512, 38959560), (558, 35747840), (576, 34630720), (620, 32173056), (640, 31167648), (720, 27704576), (744, 26810880), (768, 25973040), (930, 21448704), (960, 20778432), (992, 20108160), (1024, 19479780), (1116, 17873920), (1152, 17315360), (1240, 16086528), (1280, 15583824), (1395, 14299136), (1440, 13852288), (1488, 13405440), (1536, 12986520), (1860, 10724352), (1920, 10389216), (1984, 10054080), (2048, 9739890), (2232, 8936960), (2304, 8657680), (2480, 8043264), (2560, 7791912), (2790, 7149568), (2880, 6926144), (2976, 6702720), (3072, 6493260), (3491, 5713920), (3720, 5362176), (3840, 5194608), (3968, 5027040), (4096, 4869945), (4464, 4468480), (4608, 4328840), (4960, 4021632), (5120, 3895956), (5580, 3574784), (5760, 3463072), (5952, 3351360), (6144, 3246630), (6982, 2856960), (7440, 2681088), (7680, 2597304), (7936, 2513520), (8928, 2234240), (9216, 2164420), (9920, 2010816), (10240, 1947978), (10473, 1904640), (11160, 1787392), (11520, 1731536), (11904, 1675680), (12288, 1623315), (13964, 1428480), (14880, 1340544), (15360, 1298652), (15872, 1256760), (17455, 1142784), (17856, 1117120), (18432, 1082210), (19840, 1005408), (20480, 973989), (20946, 952320), (22320, 893696), (23040, 865768), (23808, 837840), (27928, 714240), (29760, 670272), (30720, 649326), (31419, 634880), (31744, 628380), (34910, 571392), (35712, 558560), (36864, 541105), (39680, 502704), (41892, 476160), (44640, 446848), (46080, 432884), (47616, 418920), (52365, 380928), (55856, 357120), (59520, 335136), (61440, 324663), (62838, 317440), (63488, 314190), (69820, 285696), (71424, 279280), (79360, 251352), (83784, 238080), (89280, 223424), (92160, 216442), (95232, 209460), (104730, 190464), (108221, 184320), (111712, 178560), (119040, 167568), (125676, 158720), (126976, 157095), (139640, 142848)]