405008760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{259621}}^1$

素因数の和:259648

約数の個数: 64

約数和(自身を含む): 1308494880

約数和(自身を除く): 903486120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 259621, 519242, 778863, 1038484, 1298105, 1557726, 2076968, 2596210, 3115452, 3375073, 3894315, 5192420, 6230904, 6750146, 7788630, 10125219, 10384840, 13500292, 15577260, 16875365, 20250438, 27000584, 31154520, 33750730, 40500876, 50626095, 67501460, 81001752, 101252190, 135002920, 202504380, 405008760]

約数ペア:

[(1, 405008760), (2, 202504380), (3, 135002920), (4, 101252190), (5, 81001752), (6, 67501460), (8, 50626095), (10, 40500876), (12, 33750730), (13, 31154520), (15, 27000584), (20, 20250438), (24, 16875365), (26, 15577260), (30, 13500292), (39, 10384840), (40, 10125219), (52, 7788630), (60, 6750146), (65, 6230904), (78, 5192420), (104, 3894315), (120, 3375073), (130, 3115452), (156, 2596210), (195, 2076968), (260, 1557726), (312, 1298105), (390, 1038484), (520, 778863), (780, 519242), (1560, 259621)]