31127218920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{216703}}^1$

素因数の和:216749

約数の個数: 256

約数和(自身を含む): 124821504000

約数和(自身を除く): 93694285080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 9576, 10260, 11970, 14364, 15960, 17955, 20520, 23940, 28728, 35910, 47880, 71820, 143640, 216703, 433406, 650109, 866812, 1083515, 1300218, 1516921, 1733624, 1950327, 2167030, 2600436, 3033842, 3250545, 3900654, 4117357, 4334060, 4550763, 5200872, 5850981, 6067684, 6501090, 7584605, 7801308, 8234714, 8668120, 9101526, 9751635, 11701962, 12135368, 12352071, 13002180, 13652289, 15169210, 15602616, 16469428, 18203052, 19503270, 20586785, 22753815, 23403924, 24704142, 26004360, 27304578, 28821499, 29254905, 30338420, 32938856, 36406104, 37056213, 39006540, 40956867, 41173570, 45507630, 46807848, 49408284, 54609156, 57642998, 58509810, 60676840, 61760355, 68261445, 74112426, 78013080, 81913734, 82347140, 86464497, 91015260, 98816568, 109218312, 111168639, 115285996, 117019620, 123520710, 136522890, 144107495, 148224852, 163827468, 164694280, 172928994, 182030520, 185281065, 204784335, 222337278, 230571992, 234039240, 247041420, 259393491, 273045780, 288214990, 296449704, 327654936, 345857988, 370562130, 409568670, 432322485, 444674556, 494082840, 518786982, 546091560, 555843195, 576429980, 691715976, 741124260, 778180473, 819137340, 864644970, 889349112, 1037573964, 1111686390, 1152859960, 1296967455, 1482248520, 1556360946, 1638274680, 1729289940, 2075147928, 2223372780, 2593934910, 3112721892, 3458579880, 3890902365, 4446745560, 5187869820, 6225443784, 7781804730, 10375739640, 15563609460, 31127218920]

約数ペア:

[(1, 31127218920), (2, 15563609460), (3, 10375739640), (4, 7781804730), (5, 6225443784), (6, 5187869820), (7, 4446745560), (8, 3890902365), (9, 3458579880), (10, 3112721892), (12, 2593934910), (14, 2223372780), (15, 2075147928), (18, 1729289940), (19, 1638274680), (20, 1556360946), (21, 1482248520), (24, 1296967455), (27, 1152859960), (28, 1111686390), (30, 1037573964), (35, 889349112), (36, 864644970), (38, 819137340), (40, 778180473), (42, 741124260), (45, 691715976), (54, 576429980), (56, 555843195), (57, 546091560), (60, 518786982), (63, 494082840), (70, 444674556), (72, 432322485), (76, 409568670), (84, 370562130), (90, 345857988), (95, 327654936), (105, 296449704), (108, 288214990), (114, 273045780), (120, 259393491), (126, 247041420), (133, 234039240), (135, 230571992), (140, 222337278), (152, 204784335), (168, 185281065), (171, 182030520), (180, 172928994), (189, 164694280), (190, 163827468), (210, 148224852), (216, 144107495), (228, 136522890), (252, 123520710), (266, 117019620), (270, 115285996), (280, 111168639), (285, 109218312), (315, 98816568), (342, 91015260), (360, 86464497), (378, 82347140), (380, 81913734), (399, 78013080), (420, 74112426), (456, 68261445), (504, 61760355), (513, 60676840), (532, 58509810), (540, 57642998), (570, 54609156), (630, 49408284), (665, 46807848), (684, 45507630), (756, 41173570), (760, 40956867), (798, 39006540), (840, 37056213), (855, 36406104), (945, 32938856), (1026, 30338420), (1064, 29254905), (1080, 28821499), (1140, 27304578), (1197, 26004360), (1260, 24704142), (1330, 23403924), (1368, 22753815), (1512, 20586785), (1596, 19503270), (1710, 18203052), (1890, 16469428), (1995, 15602616), (2052, 15169210), (2280, 13652289), (2394, 13002180), (2520, 12352071), (2565, 12135368), (2660, 11701962), (3192, 9751635), (3420, 9101526), (3591, 8668120), (3780, 8234714), (3990, 7801308), (4104, 7584605), (4788, 6501090), (5130, 6067684), (5320, 5850981), (5985, 5200872), (6840, 4550763), (7182, 4334060), (7560, 4117357), (7980, 3900654), (9576, 3250545), (10260, 3033842), (11970, 2600436), (14364, 2167030), (15960, 1950327), (17955, 1733624), (20520, 1516921), (23940, 1300218), (28728, 1083515), (35910, 866812), (47880, 650109), (71820, 433406), (143640, 216703)]