85720120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3407}}^1$

素因数の和:3472

約数の個数: 64

約数和(自身を含む): 209796480

約数和(自身を除く): 124076360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 3145, 3407, 5032, 6290, 6814, 12580, 13628, 17035, 25160, 27256, 34070, 57919, 68140, 115838, 126059, 136280, 231676, 252118, 289595, 463352, 504236, 579190, 630295, 1008472, 1158380, 1260590, 2143003, 2316760, 2521180, 4286006, 5042360, 8572012, 10715015, 17144024, 21430030, 42860060, 85720120]

約数ペア:

[(1, 85720120), (2, 42860060), (4, 21430030), (5, 17144024), (8, 10715015), (10, 8572012), (17, 5042360), (20, 4286006), (34, 2521180), (37, 2316760), (40, 2143003), (68, 1260590), (74, 1158380), (85, 1008472), (136, 630295), (148, 579190), (170, 504236), (185, 463352), (296, 289595), (340, 252118), (370, 231676), (629, 136280), (680, 126059), (740, 115838), (1258, 68140), (1480, 57919), (2516, 34070), (3145, 27256), (3407, 25160), (5032, 17035), (6290, 13628), (6814, 12580)]