208744140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{881}}^1$

素因数の和:1263

約数の個数: 96

約数和(自身を含む): 640120320

約数和(自身を除く): 431376180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 359, 660, 718, 881, 1077, 1436, 1762, 1795, 2154, 2643, 3524, 3590, 3949, 4308, 4405, 5286, 5385, 7180, 7898, 8810, 9691, 10572, 10770, 11847, 13215, 15796, 17620, 19382, 19745, 21540, 23694, 26430, 29073, 38764, 39490, 47388, 48455, 52860, 58146, 59235, 78980, 96910, 116292, 118470, 145365, 193820, 236940, 290730, 316279, 581460, 632558, 948837, 1265116, 1581395, 1897674, 3162790, 3479069, 3795348, 4744185, 6325580, 6958138, 9488370, 10437207, 13916276, 17395345, 18976740, 20874414, 34790690, 41748828, 52186035, 69581380, 104372070, 208744140]

約数ペア:

[(1, 208744140), (2, 104372070), (3, 69581380), (4, 52186035), (5, 41748828), (6, 34790690), (10, 20874414), (11, 18976740), (12, 17395345), (15, 13916276), (20, 10437207), (22, 9488370), (30, 6958138), (33, 6325580), (44, 4744185), (55, 3795348), (60, 3479069), (66, 3162790), (110, 1897674), (132, 1581395), (165, 1265116), (220, 948837), (330, 632558), (359, 581460), (660, 316279), (718, 290730), (881, 236940), (1077, 193820), (1436, 145365), (1762, 118470), (1795, 116292), (2154, 96910), (2643, 78980), (3524, 59235), (3590, 58146), (3949, 52860), (4308, 48455), (4405, 47388), (5286, 39490), (5385, 38764), (7180, 29073), (7898, 26430), (8810, 23694), (9691, 21540), (10572, 19745), (10770, 19382), (11847, 17620), (13215, 15796)]