123716840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 310058280

約数和(自身を除く): 186341440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 67, 104, 106, 130, 134, 212, 260, 265, 268, 335, 424, 520, 530, 536, 670, 689, 871, 1060, 1340, 1378, 1742, 2120, 2680, 2756, 3445, 3484, 3551, 4355, 4489, 5512, 6890, 6968, 7102, 8710, 8978, 13780, 14204, 17420, 17755, 17956, 22445, 27560, 28408, 34840, 35510, 35912, 44890, 46163, 58357, 71020, 89780, 92326, 116714, 142040, 179560, 184652, 230815, 233428, 237917, 291785, 369304, 461630, 466856, 475834, 583570, 923260, 951668, 1167140, 1189585, 1846520, 1903336, 2334280, 2379170, 3092921, 4758340, 6185842, 9516680, 12371684, 15464605, 24743368, 30929210, 61858420, 123716840]

約数ペア:

[(1, 123716840), (2, 61858420), (4, 30929210), (5, 24743368), (8, 15464605), (10, 12371684), (13, 9516680), (20, 6185842), (26, 4758340), (40, 3092921), (52, 2379170), (53, 2334280), (65, 1903336), (67, 1846520), (104, 1189585), (106, 1167140), (130, 951668), (134, 923260), (212, 583570), (260, 475834), (265, 466856), (268, 461630), (335, 369304), (424, 291785), (520, 237917), (530, 233428), (536, 230815), (670, 184652), (689, 179560), (871, 142040), (1060, 116714), (1340, 92326), (1378, 89780), (1742, 71020), (2120, 58357), (2680, 46163), (2756, 44890), (3445, 35912), (3484, 35510), (3551, 34840), (4355, 28408), (4489, 27560), (5512, 22445), (6890, 17956), (6968, 17755), (7102, 17420), (8710, 14204), (8978, 13780)]