7758920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 19293120

約数和(自身を除く): 11534200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 347, 430, 520, 559, 694, 860, 1118, 1388, 1720, 1735, 2236, 2776, 2795, 3470, 4472, 4511, 5590, 6940, 9022, 11180, 13880, 14921, 18044, 22360, 22555, 29842, 36088, 45110, 59684, 74605, 90220, 119368, 149210, 180440, 193973, 298420, 387946, 596840, 775892, 969865, 1551784, 1939730, 3879460, 7758920]

約数ペア:

[(1, 7758920), (2, 3879460), (4, 1939730), (5, 1551784), (8, 969865), (10, 775892), (13, 596840), (20, 387946), (26, 298420), (40, 193973), (43, 180440), (52, 149210), (65, 119368), (86, 90220), (104, 74605), (130, 59684), (172, 45110), (215, 36088), (260, 29842), (344, 22555), (347, 22360), (430, 18044), (520, 14921), (559, 13880), (694, 11180), (860, 9022), (1118, 6940), (1388, 5590), (1720, 4511), (1735, 4472), (2236, 3470), (2776, 2795)]