31213020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 94058496

約数和(自身を除く): 62845476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 71, 85, 102, 142, 170, 204, 213, 255, 284, 340, 355, 426, 431, 510, 710, 852, 862, 1020, 1065, 1207, 1293, 1420, 1724, 2130, 2155, 2414, 2586, 3621, 4260, 4310, 4828, 5172, 6035, 6465, 7242, 7327, 8620, 12070, 12930, 14484, 14654, 18105, 21981, 24140, 25860, 29308, 30601, 36210, 36635, 43962, 61202, 72420, 73270, 87924, 91803, 109905, 122404, 146540, 153005, 183606, 219810, 306010, 367212, 439620, 459015, 520217, 612020, 918030, 1040434, 1560651, 1836060, 2080868, 2601085, 3121302, 5202170, 6242604, 7803255, 10404340, 15606510, 31213020]

約数ペア:

[(1, 31213020), (2, 15606510), (3, 10404340), (4, 7803255), (5, 6242604), (6, 5202170), (10, 3121302), (12, 2601085), (15, 2080868), (17, 1836060), (20, 1560651), (30, 1040434), (34, 918030), (51, 612020), (60, 520217), (68, 459015), (71, 439620), (85, 367212), (102, 306010), (142, 219810), (170, 183606), (204, 153005), (213, 146540), (255, 122404), (284, 109905), (340, 91803), (355, 87924), (426, 73270), (431, 72420), (510, 61202), (710, 43962), (852, 36635), (862, 36210), (1020, 30601), (1065, 29308), (1207, 25860), (1293, 24140), (1420, 21981), (1724, 18105), (2130, 14654), (2155, 14484), (2414, 12930), (2586, 12070), (3621, 8620), (4260, 7327), (4310, 7242), (4828, 6465), (5172, 6035)]