12640710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 19292730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 43, 82, 86, 123, 129, 205, 215, 239, 246, 258, 410, 430, 478, 615, 645, 717, 1195, 1230, 1290, 1434, 1763, 2390, 3526, 3585, 5289, 7170, 8815, 9799, 10277, 10578, 17630, 19598, 20554, 26445, 29397, 30831, 48995, 51385, 52890, 58794, 61662, 97990, 102770, 146985, 154155, 293970, 308310, 421357, 842714, 1264071, 2106785, 2528142, 4213570, 6320355, 12640710]

約数ペア:

[(1, 12640710), (2, 6320355), (3, 4213570), (5, 2528142), (6, 2106785), (10, 1264071), (15, 842714), (30, 421357), (41, 308310), (43, 293970), (82, 154155), (86, 146985), (123, 102770), (129, 97990), (205, 61662), (215, 58794), (239, 52890), (246, 51385), (258, 48995), (410, 30831), (430, 29397), (478, 26445), (615, 20554), (645, 19598), (717, 17630), (1195, 10578), (1230, 10277), (1290, 9799), (1434, 8815), (1763, 7170), (2390, 5289), (3526, 3585)]