31872960

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 448

約数和(自身を含む): 140451840

約数和(自身を除く): 108578880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 31, 32, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 62, 63, 64, 68, 70, 72, 80, 84, 85, 90, 93, 96, 102, 105, 108, 112, 119, 120, 124, 126, 135, 136, 140, 144, 153, 155, 160, 168, 170, 180, 186, 189, 192, 204, 210, 216, 217, 224, 238, 240, 248, 252, 255, 270, 272, 279, 280, 288, 306, 310, 315, 320, 336, 340, 357, 360, 372, 378, 408, 420, 432, 434, 448, 459, 465, 476, 480, 496, 504, 510, 527, 540, 544, 558, 560, 576, 595, 612, 620, 630, 651, 672, 680, 714, 720, 744, 756, 765, 816, 837, 840, 864, 868, 918, 930, 945, 952, 960, 992, 1008, 1020, 1054, 1071, 1080, 1085, 1088, 1116, 1120, 1190, 1224, 1240, 1260, 1302, 1344, 1360, 1395, 1428, 1440, 1488, 1512, 1530, 1581, 1632, 1674, 1680, 1728, 1736, 1785, 1836, 1860, 1890, 1904, 1953, 1984, 2016, 2040, 2108, 2142, 2160, 2170, 2232, 2240, 2295, 2380, 2448, 2480, 2520, 2604, 2635, 2720, 2790, 2856, 2880, 2976, 3024, 3060, 3162, 3213, 3255, 3264, 3348, 3360, 3472, 3570, 3672, 3689, 3720, 3780, 3808, 3906, 4032, 4080, 4185, 4216, 4284, 4320, 4340, 4464, 4590, 4743, 4760, 4896, 4960, 5040, 5208, 5270, 5355, 5440, 5580, 5712, 5859, 5952, 6048, 6120, 6324, 6426, 6510, 6696, 6720, 6944, 7140, 7344, 7378, 7440, 7560, 7616, 7812, 7905, 8160, 8370, 8432, 8568, 8640, 8680, 8928, 9180, 9486, 9520, 9765, 9792, 9920, 10080, 10416, 10540, 10710, 11067, 11160, 11424, 11718, 12096, 12240, 12648, 12852, 13020, 13392, 13888, 14229, 14280, 14688, 14756, 14880, 15120, 15624, 15810, 16065, 16320, 16740, 16864, 17136, 17360, 17856, 18360, 18445, 18972, 19040, 19530, 20160, 20832, 21080, 21420, 22134, 22320, 22848, 23436, 23715, 24480, 25296, 25704, 26040, 26784, 28458, 28560, 29295, 29376, 29512, 29760, 30240, 31248, 31620, 32130, 33201, 33480, 33728, 34272, 34720, 36720, 36890, 37944, 38080, 39060, 41664, 42160, 42840, 44268, 44640, 46872, 47430, 48960, 50592, 51408, 52080, 53568, 55335, 56916, 57120, 58590, 59024, 60480, 62496, 63240, 64260, 66402, 66960, 68544, 69440, 71145, 73440, 73780, 75888, 78120, 84320, 85680, 88536, 89280, 93744, 94860, 99603, 101184, 102816, 104160, 110670, 113832, 114240, 117180, 118048, 124992, 126480, 128520, 132804, 133920, 142290, 146880, 147560, 151776, 156240, 166005, 168640, 171360, 177072, 187488, 189720, 199206, 205632, 208320, 221340, 227664, 234360, 236096, 252960, 257040, 265608, 267840, 284580, 295120, 303552, 312480, 332010, 342720, 354144, 374976, 379440, 398412, 442680, 455328, 468720, 498015, 505920, 514080, 531216, 569160, 590240, 624960, 664020, 708288, 758880, 796824, 885360, 910656, 937440, 996030, 1028160, 1062432, 1138320, 1180480, 1328040, 1517760, 1593648, 1770720, 1874880, 1992060, 2124864, 2276640, 2656080, 3187296, 3541440, 3984120, 4553280, 5312160, 6374592, 7968240, 10624320, 15936480, 31872960]

約数ペア:

[(1, 31872960), (2, 15936480), (3, 10624320), (4, 7968240), (5, 6374592), (6, 5312160), (7, 4553280), (8, 3984120), (9, 3541440), (10, 3187296), (12, 2656080), (14, 2276640), (15, 2124864), (16, 1992060), (17, 1874880), (18, 1770720), (20, 1593648), (21, 1517760), (24, 1328040), (27, 1180480), (28, 1138320), (30, 1062432), (31, 1028160), (32, 996030), (34, 937440), (35, 910656), (36, 885360), (40, 796824), (42, 758880), (45, 708288), (48, 664020), (51, 624960), (54, 590240), (56, 569160), (60, 531216), (62, 514080), (63, 505920), (64, 498015), (68, 468720), (70, 455328), (72, 442680), (80, 398412), (84, 379440), (85, 374976), (90, 354144), (93, 342720), (96, 332010), (102, 312480), (105, 303552), (108, 295120), (112, 284580), (119, 267840), (120, 265608), (124, 257040), (126, 252960), (135, 236096), (136, 234360), (140, 227664), (144, 221340), (153, 208320), (155, 205632), (160, 199206), (168, 189720), (170, 187488), (180, 177072), (186, 171360), (189, 168640), (192, 166005), (204, 156240), (210, 151776), (216, 147560), (217, 146880), (224, 142290), (238, 133920), (240, 132804), (248, 128520), (252, 126480), (255, 124992), (270, 118048), (272, 117180), (279, 114240), (280, 113832), (288, 110670), (306, 104160), (310, 102816), (315, 101184), (320, 99603), (336, 94860), (340, 93744), (357, 89280), (360, 88536), (372, 85680), (378, 84320), (408, 78120), (420, 75888), (432, 73780), (434, 73440), (448, 71145), (459, 69440), (465, 68544), (476, 66960), (480, 66402), (496, 64260), (504, 63240), (510, 62496), (527, 60480), (540, 59024), (544, 58590), (558, 57120), (560, 56916), (576, 55335), (595, 53568), (612, 52080), (620, 51408), (630, 50592), (651, 48960), (672, 47430), (680, 46872), (714, 44640), (720, 44268), (744, 42840), (756, 42160), (765, 41664), (816, 39060), (837, 38080), (840, 37944), (864, 36890), (868, 36720), (918, 34720), (930, 34272), (945, 33728), (952, 33480), (960, 33201), (992, 32130), (1008, 31620), (1020, 31248), (1054, 30240), (1071, 29760), (1080, 29512), (1085, 29376), (1088, 29295), (1116, 28560), (1120, 28458), (1190, 26784), (1224, 26040), (1240, 25704), (1260, 25296), (1302, 24480), (1344, 23715), (1360, 23436), (1395, 22848), (1428, 22320), (1440, 22134), (1488, 21420), (1512, 21080), (1530, 20832), (1581, 20160), (1632, 19530), (1674, 19040), (1680, 18972), (1728, 18445), (1736, 18360), (1785, 17856), (1836, 17360), (1860, 17136), (1890, 16864), (1904, 16740), (1953, 16320), (1984, 16065), (2016, 15810), (2040, 15624), (2108, 15120), (2142, 14880), (2160, 14756), (2170, 14688), (2232, 14280), (2240, 14229), (2295, 13888), (2380, 13392), (2448, 13020), (2480, 12852), (2520, 12648), (2604, 12240), (2635, 12096), (2720, 11718), (2790, 11424), (2856, 11160), (2880, 11067), (2976, 10710), (3024, 10540), (3060, 10416), (3162, 10080), (3213, 9920), (3255, 9792), (3264, 9765), (3348, 9520), (3360, 9486), (3472, 9180), (3570, 8928), (3672, 8680), (3689, 8640), (3720, 8568), (3780, 8432), (3808, 8370), (3906, 8160), (4032, 7905), (4080, 7812), (4185, 7616), (4216, 7560), (4284, 7440), (4320, 7378), (4340, 7344), (4464, 7140), (4590, 6944), (4743, 6720), (4760, 6696), (4896, 6510), (4960, 6426), (5040, 6324), (5208, 6120), (5270, 6048), (5355, 5952), (5440, 5859), (5580, 5712)]