271380160

素因数分解:

$2^6\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1283}}^1$

素因数の和:1961

約数の個数: 56

約数和(自身を含む): 647706096

約数和(自身を除く): 376325936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 661, 1283, 1322, 2566, 2644, 3305, 5132, 5288, 6415, 6610, 10264, 10576, 12830, 13220, 20528, 21152, 25660, 26440, 41056, 42304, 51320, 52880, 82112, 102640, 105760, 205280, 211520, 410560, 848063, 1696126, 3392252, 4240315, 6784504, 8480630, 13569008, 16961260, 27138016, 33922520, 54276032, 67845040, 135690080, 271380160]

約数ペア:

[(1, 271380160), (2, 135690080), (4, 67845040), (5, 54276032), (8, 33922520), (10, 27138016), (16, 16961260), (20, 13569008), (32, 8480630), (40, 6784504), (64, 4240315), (80, 3392252), (160, 1696126), (320, 848063), (661, 410560), (1283, 211520), (1322, 205280), (2566, 105760), (2644, 102640), (3305, 82112), (5132, 52880), (5288, 51320), (6415, 42304), (6610, 41056), (10264, 26440), (10576, 25660), (12830, 21152), (13220, 20528)]