81125940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{829}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 261031680

約数和(自身を除く): 179905740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 233, 420, 466, 699, 829, 932, 1165, 1398, 1631, 1658, 2330, 2487, 2796, 3262, 3316, 3495, 4145, 4660, 4893, 4974, 5803, 6524, 6990, 8155, 8290, 9786, 9948, 11606, 12435, 13980, 16310, 16580, 17409, 19572, 23212, 24465, 24870, 29015, 32620, 34818, 48930, 49740, 58030, 69636, 87045, 97860, 116060, 174090, 193157, 348180, 386314, 579471, 772628, 965785, 1158942, 1352099, 1931570, 2317884, 2704198, 2897355, 3863140, 4056297, 5408396, 5794710, 6760495, 8112594, 11589420, 13520990, 16225188, 20281485, 27041980, 40562970, 81125940]

約数ペア:

[(1, 81125940), (2, 40562970), (3, 27041980), (4, 20281485), (5, 16225188), (6, 13520990), (7, 11589420), (10, 8112594), (12, 6760495), (14, 5794710), (15, 5408396), (20, 4056297), (21, 3863140), (28, 2897355), (30, 2704198), (35, 2317884), (42, 1931570), (60, 1352099), (70, 1158942), (84, 965785), (105, 772628), (140, 579471), (210, 386314), (233, 348180), (420, 193157), (466, 174090), (699, 116060), (829, 97860), (932, 87045), (1165, 69636), (1398, 58030), (1631, 49740), (1658, 48930), (2330, 34818), (2487, 32620), (2796, 29015), (3262, 24870), (3316, 24465), (3495, 23212), (4145, 19572), (4660, 17409), (4893, 16580), (4974, 16310), (5803, 13980), (6524, 12435), (6990, 11606), (8155, 9948), (8290, 9786)]