66287620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{563}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 165057984

約数和(自身を除く): 98770364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 563, 580, 812, 841, 1015, 1126, 1682, 2030, 2252, 2815, 3364, 3941, 4060, 4205, 5630, 5887, 7882, 8410, 11260, 11774, 15764, 16327, 16820, 19705, 23548, 29435, 32654, 39410, 58870, 65308, 78820, 81635, 114289, 117740, 163270, 228578, 326540, 457156, 473483, 571445, 946966, 1142890, 1893932, 2285780, 2367415, 3314381, 4734830, 6628762, 9469660, 13257524, 16571905, 33143810, 66287620]

約数ペア:

[(1, 66287620), (2, 33143810), (4, 16571905), (5, 13257524), (7, 9469660), (10, 6628762), (14, 4734830), (20, 3314381), (28, 2367415), (29, 2285780), (35, 1893932), (58, 1142890), (70, 946966), (116, 571445), (140, 473483), (145, 457156), (203, 326540), (290, 228578), (406, 163270), (563, 117740), (580, 114289), (812, 81635), (841, 78820), (1015, 65308), (1126, 58870), (1682, 39410), (2030, 32654), (2252, 29435), (2815, 23548), (3364, 19705), (3941, 16820), (4060, 16327), (4205, 15764), (5630, 11774), (5887, 11260), (7882, 8410)]