257788512

素因数分解:

$2^5\times 3^2\times {\mathrm{557}}^1\times {\mathrm{1607}}^1$

素因数の和:2180

約数の個数: 72

約数和(自身を含む): 734859216

約数和(自身を除く): 477070704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 557, 1114, 1607, 1671, 2228, 3214, 3342, 4456, 4821, 5013, 6428, 6684, 8912, 9642, 10026, 12856, 13368, 14463, 17824, 19284, 20052, 25712, 26736, 28926, 38568, 40104, 51424, 53472, 57852, 77136, 80208, 115704, 154272, 160416, 231408, 462816, 895099, 1790198, 2685297, 3580396, 5370594, 7160792, 8055891, 10741188, 14321584, 16111782, 21482376, 28643168, 32223564, 42964752, 64447128, 85929504, 128894256, 257788512]

約数ペア:

[(1, 257788512), (2, 128894256), (3, 85929504), (4, 64447128), (6, 42964752), (8, 32223564), (9, 28643168), (12, 21482376), (16, 16111782), (18, 14321584), (24, 10741188), (32, 8055891), (36, 7160792), (48, 5370594), (72, 3580396), (96, 2685297), (144, 1790198), (288, 895099), (557, 462816), (1114, 231408), (1607, 160416), (1671, 154272), (2228, 115704), (3214, 80208), (3342, 77136), (4456, 57852), (4821, 53472), (5013, 51424), (6428, 40104), (6684, 38568), (8912, 28926), (9642, 26736), (10026, 25712), (12856, 20052), (13368, 19284), (14463, 17824)]