1215662890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7499}}^1$

素因数の和:7591

約数の個数: 64

約数和(自身を含む): 2494800000

約数和(自身を除く): 1279137110

約数列:

[1, 2, 5, 10, 13, 26, 29, 43, 58, 65, 86, 130, 145, 215, 290, 377, 430, 559, 754, 1118, 1247, 1885, 2494, 2795, 3770, 5590, 6235, 7499, 12470, 14998, 16211, 32422, 37495, 74990, 81055, 97487, 162110, 194974, 217471, 322457, 434942, 487435, 644914, 974870, 1087355, 1612285, 2174710, 2827123, 3224570, 4191941, 5654246, 8383882, 9351253, 14135615, 18702506, 20959705, 28271230, 41919410, 46756265, 93512530, 121566289, 243132578, 607831445, 1215662890]

約数ペア:

[(1, 1215662890), (2, 607831445), (5, 243132578), (10, 121566289), (13, 93512530), (26, 46756265), (29, 41919410), (43, 28271230), (58, 20959705), (65, 18702506), (86, 14135615), (130, 9351253), (145, 8383882), (215, 5654246), (290, 4191941), (377, 3224570), (430, 2827123), (559, 2174710), (754, 1612285), (1118, 1087355), (1247, 974870), (1885, 644914), (2494, 487435), (2795, 434942), (3770, 322457), (5590, 217471), (6235, 194974), (7499, 162110), (12470, 97487), (14998, 81055), (16211, 74990), (32422, 37495)]