20100642960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{130253}}^1$

素因数の和:130912

約数の個数: 80

約数和(自身を含む): 62409380544

約数和(自身を除く): 42308737584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1286, 1929, 2572, 3215, 3858, 5144, 6430, 7716, 9645, 10288, 12860, 15432, 19290, 25720, 30864, 38580, 51440, 77160, 130253, 154320, 260506, 390759, 521012, 651265, 781518, 1042024, 1302530, 1563036, 1953795, 2084048, 2605060, 3126072, 3907590, 5210120, 6252144, 7815180, 10420240, 15630360, 31260720, 83752679, 167505358, 251258037, 335010716, 418763395, 502516074, 670021432, 837526790, 1005032148, 1256290185, 1340042864, 1675053580, 2010064296, 2512580370, 3350107160, 4020128592, 5025160740, 6700214320, 10050321480, 20100642960]

約数ペア:

[(1, 20100642960), (2, 10050321480), (3, 6700214320), (4, 5025160740), (5, 4020128592), (6, 3350107160), (8, 2512580370), (10, 2010064296), (12, 1675053580), (15, 1340042864), (16, 1256290185), (20, 1005032148), (24, 837526790), (30, 670021432), (40, 502516074), (48, 418763395), (60, 335010716), (80, 251258037), (120, 167505358), (240, 83752679), (643, 31260720), (1286, 15630360), (1929, 10420240), (2572, 7815180), (3215, 6252144), (3858, 5210120), (5144, 3907590), (6430, 3126072), (7716, 2605060), (9645, 2084048), (10288, 1953795), (12860, 1563036), (15432, 1302530), (19290, 1042024), (25720, 781518), (30864, 651265), (38580, 521012), (51440, 390759), (77160, 260506), (130253, 154320)]