1630683640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{2521}}^1$

素因数の和:2792

約数の個数: 64

約数和(自身を含む): 3729735360

約数和(自身を除く): 2099051720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 157, 206, 314, 412, 515, 628, 785, 824, 1030, 1256, 1570, 2060, 2521, 3140, 4120, 5042, 6280, 10084, 12605, 16171, 20168, 25210, 32342, 50420, 64684, 80855, 100840, 129368, 161710, 259663, 323420, 395797, 519326, 646840, 791594, 1038652, 1298315, 1583188, 1978985, 2077304, 2596630, 3166376, 3957970, 5193260, 7915940, 10386520, 15831880, 40767091, 81534182, 163068364, 203835455, 326136728, 407670910, 815341820, 1630683640]

約数ペア:

[(1, 1630683640), (2, 815341820), (4, 407670910), (5, 326136728), (8, 203835455), (10, 163068364), (20, 81534182), (40, 40767091), (103, 15831880), (157, 10386520), (206, 7915940), (314, 5193260), (412, 3957970), (515, 3166376), (628, 2596630), (785, 2077304), (824, 1978985), (1030, 1583188), (1256, 1298315), (1570, 1038652), (2060, 791594), (2521, 646840), (3140, 519326), (4120, 395797), (5042, 323420), (6280, 259663), (10084, 161710), (12605, 129368), (16171, 100840), (20168, 80855), (25210, 64684), (32342, 50420)]