61989990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 158583744

約数和(自身を除く): 96593754

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 197, 255, 394, 510, 591, 617, 985, 1182, 1234, 1851, 1970, 2955, 3085, 3349, 3702, 5910, 6170, 6698, 9255, 10047, 10489, 16745, 18510, 20094, 20978, 31467, 33490, 50235, 52445, 62934, 100470, 104890, 121549, 157335, 243098, 314670, 364647, 607745, 729294, 1215490, 1823235, 2066333, 3646470, 4132666, 6198999, 10331665, 12397998, 20663330, 30994995, 61989990]

約数ペア:

[(1, 61989990), (2, 30994995), (3, 20663330), (5, 12397998), (6, 10331665), (10, 6198999), (15, 4132666), (17, 3646470), (30, 2066333), (34, 1823235), (51, 1215490), (85, 729294), (102, 607745), (170, 364647), (197, 314670), (255, 243098), (394, 157335), (510, 121549), (591, 104890), (617, 100470), (985, 62934), (1182, 52445), (1234, 50235), (1851, 33490), (1970, 31467), (2955, 20978), (3085, 20094), (3349, 18510), (3702, 16745), (5910, 10489), (6170, 10047), (6698, 9255)]