1330452680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1\times {\mathrm{1091}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 3070267200

約数和(自身を除く): 1739814520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 709, 860, 1091, 1418, 1720, 2182, 2836, 3545, 4364, 5455, 5672, 7090, 8728, 10910, 14180, 21820, 28360, 30487, 43640, 46913, 60974, 93826, 121948, 152435, 187652, 234565, 243896, 304870, 375304, 469130, 609740, 773519, 938260, 1219480, 1547038, 1876520, 3094076, 3867595, 6188152, 7735190, 15470380, 30940760, 33261317, 66522634, 133045268, 166306585, 266090536, 332613170, 665226340, 1330452680]

約数ペア:

[(1, 1330452680), (2, 665226340), (4, 332613170), (5, 266090536), (8, 166306585), (10, 133045268), (20, 66522634), (40, 33261317), (43, 30940760), (86, 15470380), (172, 7735190), (215, 6188152), (344, 3867595), (430, 3094076), (709, 1876520), (860, 1547038), (1091, 1219480), (1418, 938260), (1720, 773519), (2182, 609740), (2836, 469130), (3545, 375304), (4364, 304870), (5455, 243896), (5672, 234565), (7090, 187652), (8728, 152435), (10910, 121948), (14180, 93826), (21820, 60974), (28360, 46913), (30487, 43640)]