2730520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 6804000

約数和(自身を除く): 4073480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 89, 104, 118, 130, 178, 236, 260, 295, 356, 445, 472, 520, 590, 712, 767, 890, 1157, 1180, 1534, 1780, 2314, 2360, 3068, 3560, 3835, 4628, 5251, 5785, 6136, 7670, 9256, 10502, 11570, 15340, 21004, 23140, 26255, 30680, 42008, 46280, 52510, 68263, 105020, 136526, 210040, 273052, 341315, 546104, 682630, 1365260, 2730520]

約数ペア:

[(1, 2730520), (2, 1365260), (4, 682630), (5, 546104), (8, 341315), (10, 273052), (13, 210040), (20, 136526), (26, 105020), (40, 68263), (52, 52510), (59, 46280), (65, 42008), (89, 30680), (104, 26255), (118, 23140), (130, 21004), (178, 15340), (236, 11570), (260, 10502), (295, 9256), (356, 7670), (445, 6136), (472, 5785), (520, 5251), (590, 4628), (712, 3835), (767, 3560), (890, 3068), (1157, 2360), (1180, 2314), (1534, 1780)]