1569898040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{1061}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 3592278720

約数和(自身を除く): 2022380680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 521, 568, 710, 1042, 1061, 1420, 2084, 2122, 2605, 2840, 4168, 4244, 5210, 5305, 8488, 10420, 10610, 20840, 21220, 36991, 42440, 73982, 75331, 147964, 150662, 184955, 295928, 301324, 369910, 376655, 552781, 602648, 739820, 753310, 1105562, 1479640, 1506620, 2211124, 2763905, 3013240, 4422248, 5527810, 11055620, 22111240, 39247451, 78494902, 156989804, 196237255, 313979608, 392474510, 784949020, 1569898040]

約数ペア:

[(1, 1569898040), (2, 784949020), (4, 392474510), (5, 313979608), (8, 196237255), (10, 156989804), (20, 78494902), (40, 39247451), (71, 22111240), (142, 11055620), (284, 5527810), (355, 4422248), (521, 3013240), (568, 2763905), (710, 2211124), (1042, 1506620), (1061, 1479640), (1420, 1105562), (2084, 753310), (2122, 739820), (2605, 602648), (2840, 552781), (4168, 376655), (4244, 369910), (5210, 301324), (5305, 295928), (8488, 184955), (10420, 150662), (10610, 147964), (20840, 75331), (21220, 73982), (36991, 42440)]