505746960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3257}}^1$

素因数の和:3920

約数の個数: 80

約数和(自身を含む): 1570720896

約数和(自身を除く): 1064973936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647, 1294, 1941, 2588, 3235, 3257, 3882, 5176, 6470, 6514, 7764, 9705, 9771, 10352, 12940, 13028, 15528, 16285, 19410, 19542, 25880, 26056, 31056, 32570, 38820, 39084, 48855, 51760, 52112, 65140, 77640, 78168, 97710, 130280, 155280, 156336, 195420, 260560, 390840, 781680, 2107279, 4214558, 6321837, 8429116, 10536395, 12643674, 16858232, 21072790, 25287348, 31609185, 33716464, 42145580, 50574696, 63218370, 84291160, 101149392, 126436740, 168582320, 252873480, 505746960]

約数ペア:

[(1, 505746960), (2, 252873480), (3, 168582320), (4, 126436740), (5, 101149392), (6, 84291160), (8, 63218370), (10, 50574696), (12, 42145580), (15, 33716464), (16, 31609185), (20, 25287348), (24, 21072790), (30, 16858232), (40, 12643674), (48, 10536395), (60, 8429116), (80, 6321837), (120, 4214558), (240, 2107279), (647, 781680), (1294, 390840), (1941, 260560), (2588, 195420), (3235, 156336), (3257, 155280), (3882, 130280), (5176, 97710), (6470, 78168), (6514, 77640), (7764, 65140), (9705, 52112), (9771, 51760), (10352, 48855), (12940, 39084), (13028, 38820), (15528, 32570), (16285, 31056), (19410, 26056), (19542, 25880)]