521560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:100

約数の個数: 64

約数和(自身を含む): 1360800

約数和(自身を除く): 839240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 59, 65, 68, 85, 104, 118, 130, 136, 170, 221, 236, 260, 295, 340, 442, 472, 520, 590, 680, 767, 884, 1003, 1105, 1180, 1534, 1768, 2006, 2210, 2360, 3068, 3835, 4012, 4420, 5015, 6136, 7670, 8024, 8840, 10030, 13039, 15340, 20060, 26078, 30680, 40120, 52156, 65195, 104312, 130390, 260780, 521560]

約数ペア:

[(1, 521560), (2, 260780), (4, 130390), (5, 104312), (8, 65195), (10, 52156), (13, 40120), (17, 30680), (20, 26078), (26, 20060), (34, 15340), (40, 13039), (52, 10030), (59, 8840), (65, 8024), (68, 7670), (85, 6136), (104, 5015), (118, 4420), (130, 4012), (136, 3835), (170, 3068), (221, 2360), (236, 2210), (260, 2006), (295, 1768), (340, 1534), (442, 1180), (472, 1105), (520, 1003), (590, 884), (680, 767)]