2040784125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2231

約数の個数: 64

約数和(自身を含む): 3620298240

約数和(自身を除く): 1579514115

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 157, 255, 375, 425, 471, 785, 1275, 2039, 2125, 2355, 2669, 3925, 6117, 6375, 8007, 10195, 11775, 13345, 19625, 30585, 34663, 40035, 50975, 58875, 66725, 103989, 152925, 173315, 200175, 254875, 320123, 333625, 519945, 764625, 866575, 960369, 1000875, 1600615, 2599725, 4332875, 4801845, 5442091, 8003075, 12998625, 16326273, 24009225, 27210455, 40015375, 81631365, 120046125, 136052275, 408156825, 680261375, 2040784125]

約数ペア:

[(1, 2040784125), (3, 680261375), (5, 408156825), (15, 136052275), (17, 120046125), (25, 81631365), (51, 40015375), (75, 27210455), (85, 24009225), (125, 16326273), (157, 12998625), (255, 8003075), (375, 5442091), (425, 4801845), (471, 4332875), (785, 2599725), (1275, 1600615), (2039, 1000875), (2125, 960369), (2355, 866575), (2669, 764625), (3925, 519945), (6117, 333625), (6375, 320123), (8007, 254875), (10195, 200175), (11775, 173315), (13345, 152925), (19625, 103989), (30585, 66725), (34663, 58875), (40035, 50975)]