81757920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2488

約数の個数: 96

約数和(自身を含む): 261273600

約数和(自身を除く): 179515680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 71, 80, 96, 120, 142, 160, 213, 240, 284, 355, 426, 480, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2272, 2399, 2840, 3408, 4260, 4798, 5680, 6816, 7197, 8520, 9596, 11360, 11995, 14394, 17040, 19192, 23990, 28788, 34080, 35985, 38384, 47980, 57576, 71970, 76768, 95960, 115152, 143940, 170329, 191920, 230304, 287880, 340658, 383840, 510987, 575760, 681316, 851645, 1021974, 1151520, 1362632, 1703290, 2043948, 2554935, 2725264, 3406580, 4087896, 5109870, 5450528, 6813160, 8175792, 10219740, 13626320, 16351584, 20439480, 27252640, 40878960, 81757920]

約数ペア:

[(1, 81757920), (2, 40878960), (3, 27252640), (4, 20439480), (5, 16351584), (6, 13626320), (8, 10219740), (10, 8175792), (12, 6813160), (15, 5450528), (16, 5109870), (20, 4087896), (24, 3406580), (30, 2725264), (32, 2554935), (40, 2043948), (48, 1703290), (60, 1362632), (71, 1151520), (80, 1021974), (96, 851645), (120, 681316), (142, 575760), (160, 510987), (213, 383840), (240, 340658), (284, 287880), (355, 230304), (426, 191920), (480, 170329), (568, 143940), (710, 115152), (852, 95960), (1065, 76768), (1136, 71970), (1420, 57576), (1704, 47980), (2130, 38384), (2272, 35985), (2399, 34080), (2840, 28788), (3408, 23990), (4260, 19192), (4798, 17040), (5680, 14394), (6816, 11995), (7197, 11360), (8520, 9596)]