123519990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12907}}^1$

素因数の和:12957

約数の個数: 64

約数和(自身を含む): 334575360

約数和(自身を除く): 211055370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 3190, 4785, 9570, 12907, 25814, 38721, 64535, 77442, 129070, 141977, 193605, 283954, 374303, 387210, 425931, 709885, 748606, 851862, 1122909, 1419770, 1871515, 2129655, 2245818, 3743030, 4117333, 4259310, 5614545, 8234666, 11229090, 12351999, 20586665, 24703998, 41173330, 61759995, 123519990]

約数ペア:

[(1, 123519990), (2, 61759995), (3, 41173330), (5, 24703998), (6, 20586665), (10, 12351999), (11, 11229090), (15, 8234666), (22, 5614545), (29, 4259310), (30, 4117333), (33, 3743030), (55, 2245818), (58, 2129655), (66, 1871515), (87, 1419770), (110, 1122909), (145, 851862), (165, 748606), (174, 709885), (290, 425931), (319, 387210), (330, 374303), (435, 283954), (638, 193605), (870, 141977), (957, 129070), (1595, 77442), (1914, 64535), (3190, 38721), (4785, 25814), (9570, 12907)]