81753420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3191}}^1$

素因数の和:3271

約数の個数: 96

約数和(自身を含む): 265982976

約数和(自身を除く): 184229556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3191, 3660, 4270, 5124, 6382, 6405, 8540, 9573, 12764, 12810, 15955, 19146, 22337, 25620, 31910, 38292, 44674, 47865, 63820, 67011, 89348, 95730, 111685, 134022, 191460, 194651, 223370, 268044, 335055, 389302, 446740, 583953, 670110, 778604, 973255, 1167906, 1340220, 1362557, 1946510, 2335812, 2725114, 2919765, 3893020, 4087671, 5450228, 5839530, 6812785, 8175342, 11679060, 13625570, 16350684, 20438355, 27251140, 40876710, 81753420]

約数ペア:

[(1, 81753420), (2, 40876710), (3, 27251140), (4, 20438355), (5, 16350684), (6, 13625570), (7, 11679060), (10, 8175342), (12, 6812785), (14, 5839530), (15, 5450228), (20, 4087671), (21, 3893020), (28, 2919765), (30, 2725114), (35, 2335812), (42, 1946510), (60, 1362557), (61, 1340220), (70, 1167906), (84, 973255), (105, 778604), (122, 670110), (140, 583953), (183, 446740), (210, 389302), (244, 335055), (305, 268044), (366, 223370), (420, 194651), (427, 191460), (610, 134022), (732, 111685), (854, 95730), (915, 89348), (1220, 67011), (1281, 63820), (1708, 47865), (1830, 44674), (2135, 38292), (2562, 31910), (3191, 25620), (3660, 22337), (4270, 19146), (5124, 15955), (6382, 12810), (6405, 12764), (8540, 9573)]