1292631440

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:1044

約数の個数: 80

約数和(自身を含む): 3059737200

約数和(自身を除く): 1767105760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 389, 569, 584, 730, 778, 1138, 1168, 1460, 1556, 1945, 2276, 2845, 2920, 3112, 3890, 4552, 5690, 5840, 6224, 7780, 9104, 11380, 15560, 22760, 28397, 31120, 41537, 45520, 56794, 83074, 113588, 141985, 166148, 207685, 221341, 227176, 283970, 332296, 415370, 442682, 454352, 567940, 664592, 830740, 885364, 1106705, 1135880, 1661480, 1770728, 2213410, 2271760, 3322960, 3541456, 4426820, 8853640, 16157893, 17707280, 32315786, 64631572, 80789465, 129263144, 161578930, 258526288, 323157860, 646315720, 1292631440]

約数ペア:

[(1, 1292631440), (2, 646315720), (4, 323157860), (5, 258526288), (8, 161578930), (10, 129263144), (16, 80789465), (20, 64631572), (40, 32315786), (73, 17707280), (80, 16157893), (146, 8853640), (292, 4426820), (365, 3541456), (389, 3322960), (569, 2271760), (584, 2213410), (730, 1770728), (778, 1661480), (1138, 1135880), (1168, 1106705), (1460, 885364), (1556, 830740), (1945, 664592), (2276, 567940), (2845, 454352), (2920, 442682), (3112, 415370), (3890, 332296), (4552, 283970), (5690, 227176), (5840, 221341), (6224, 207685), (7780, 166148), (9104, 141985), (11380, 113588), (15560, 83074), (22760, 56794), (28397, 45520), (31120, 41537)]