625560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 2026080

約数和(自身を除く): 1400520

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, 401, 520, 780, 802, 1203, 1560, 1604, 2005, 2406, 3208, 4010, 4812, 5213, 6015, 8020, 9624, 10426, 12030, 15639, 16040, 20852, 24060, 26065, 31278, 41704, 48120, 52130, 62556, 78195, 104260, 125112, 156390, 208520, 312780, 625560]

約数ペア:

[(1, 625560), (2, 312780), (3, 208520), (4, 156390), (5, 125112), (6, 104260), (8, 78195), (10, 62556), (12, 52130), (13, 48120), (15, 41704), (20, 31278), (24, 26065), (26, 24060), (30, 20852), (39, 16040), (40, 15639), (52, 12030), (60, 10426), (65, 9624), (78, 8020), (104, 6015), (120, 5213), (130, 4812), (156, 4010), (195, 3208), (260, 2406), (312, 2005), (390, 1604), (401, 1560), (520, 1203), (780, 802)]