64815420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34847}}^1$

素因数の和:34890

約数の個数: 48

約数和(自身を含む): 187342848

約数和(自身を除く): 122527428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 34847, 69694, 104541, 139388, 174235, 209082, 348470, 418164, 522705, 696940, 1045410, 1080257, 2090820, 2160514, 3240771, 4321028, 5401285, 6481542, 10802570, 12963084, 16203855, 21605140, 32407710, 64815420]

約数ペア:

[(1, 64815420), (2, 32407710), (3, 21605140), (4, 16203855), (5, 12963084), (6, 10802570), (10, 6481542), (12, 5401285), (15, 4321028), (20, 3240771), (30, 2160514), (31, 2090820), (60, 1080257), (62, 1045410), (93, 696940), (124, 522705), (155, 418164), (186, 348470), (310, 209082), (372, 174235), (465, 139388), (620, 104541), (930, 69694), (1860, 34847)]