64840020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{587}}^1$

素因数の和:869

約数の個数: 96

約数和(自身を含む): 208631808

約数和(自身を除く): 143791788

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, 263, 420, 526, 587, 789, 1052, 1174, 1315, 1578, 1761, 1841, 2348, 2630, 2935, 3156, 3522, 3682, 3945, 4109, 5260, 5523, 5870, 7044, 7364, 7890, 8218, 8805, 9205, 11046, 11740, 12327, 15780, 16436, 17610, 18410, 20545, 22092, 24654, 27615, 35220, 36820, 41090, 49308, 55230, 61635, 82180, 110460, 123270, 154381, 246540, 308762, 463143, 617524, 771905, 926286, 1080667, 1543810, 1852572, 2161334, 2315715, 3087620, 3242001, 4322668, 4631430, 5403335, 6484002, 9262860, 10806670, 12968004, 16210005, 21613340, 32420010, 64840020]

約数ペア:

[(1, 64840020), (2, 32420010), (3, 21613340), (4, 16210005), (5, 12968004), (6, 10806670), (7, 9262860), (10, 6484002), (12, 5403335), (14, 4631430), (15, 4322668), (20, 3242001), (21, 3087620), (28, 2315715), (30, 2161334), (35, 1852572), (42, 1543810), (60, 1080667), (70, 926286), (84, 771905), (105, 617524), (140, 463143), (210, 308762), (263, 246540), (420, 154381), (526, 123270), (587, 110460), (789, 82180), (1052, 61635), (1174, 55230), (1315, 49308), (1578, 41090), (1761, 36820), (1841, 35220), (2348, 27615), (2630, 24654), (2935, 22092), (3156, 20545), (3522, 18410), (3682, 17610), (3945, 16436), (4109, 15780), (5260, 12327), (5523, 11740), (5870, 11046), (7044, 9205), (7364, 8805), (7890, 8218)]