81589620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2557

約数の個数: 96

約数和(自身を含む): 264499200

約数和(自身を除く): 182909580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 948, 1106, 1185, 1580, 1659, 2212, 2370, 2459, 2765, 3318, 4740, 4918, 5530, 6636, 7377, 8295, 9836, 11060, 12295, 14754, 16590, 17213, 24590, 29508, 33180, 34426, 36885, 49180, 51639, 68852, 73770, 86065, 103278, 147540, 172130, 194261, 206556, 258195, 344260, 388522, 516390, 582783, 777044, 971305, 1032780, 1165566, 1359827, 1942610, 2331132, 2719654, 2913915, 3885220, 4079481, 5439308, 5827830, 6799135, 8158962, 11655660, 13598270, 16317924, 20397405, 27196540, 40794810, 81589620]

約数ペア:

[(1, 81589620), (2, 40794810), (3, 27196540), (4, 20397405), (5, 16317924), (6, 13598270), (7, 11655660), (10, 8158962), (12, 6799135), (14, 5827830), (15, 5439308), (20, 4079481), (21, 3885220), (28, 2913915), (30, 2719654), (35, 2331132), (42, 1942610), (60, 1359827), (70, 1165566), (79, 1032780), (84, 971305), (105, 777044), (140, 582783), (158, 516390), (210, 388522), (237, 344260), (316, 258195), (395, 206556), (420, 194261), (474, 172130), (553, 147540), (790, 103278), (948, 86065), (1106, 73770), (1185, 68852), (1580, 51639), (1659, 49180), (2212, 36885), (2370, 34426), (2459, 33180), (2765, 29508), (3318, 24590), (4740, 17213), (4918, 16590), (5530, 14754), (6636, 12295), (7377, 11060), (8295, 9836)]