1290735840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86743}}^1$

素因数の和:86792

約数の個数: 96

約数和(自身を含む): 4197021696

約数和(自身を除く): 2906285856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 86743, 173486, 260229, 346972, 433715, 520458, 693944, 867430, 1040916, 1301145, 1387888, 1734860, 2081832, 2602290, 2689033, 2775776, 3469720, 4163664, 5204580, 5378066, 6939440, 8067099, 8327328, 10409160, 10756132, 13445165, 13878880, 16134198, 20818320, 21512264, 26890330, 32268396, 40335495, 41636640, 43024528, 53780660, 64536792, 80670990, 86049056, 107561320, 129073584, 161341980, 215122640, 258147168, 322683960, 430245280, 645367920, 1290735840]

約数ペア:

[(1, 1290735840), (2, 645367920), (3, 430245280), (4, 322683960), (5, 258147168), (6, 215122640), (8, 161341980), (10, 129073584), (12, 107561320), (15, 86049056), (16, 80670990), (20, 64536792), (24, 53780660), (30, 43024528), (31, 41636640), (32, 40335495), (40, 32268396), (48, 26890330), (60, 21512264), (62, 20818320), (80, 16134198), (93, 13878880), (96, 13445165), (120, 10756132), (124, 10409160), (155, 8327328), (160, 8067099), (186, 6939440), (240, 5378066), (248, 5204580), (310, 4163664), (372, 3469720), (465, 2775776), (480, 2689033), (496, 2602290), (620, 2081832), (744, 1734860), (930, 1387888), (992, 1301145), (1240, 1040916), (1488, 867430), (1860, 693944), (2480, 520458), (2976, 433715), (3720, 346972), (4960, 260229), (7440, 173486), (14880, 86743)]