253538560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1637}}^1$

素因数の和:1680

約数の個数: 108

約数和(自身を含む): 667940364

約数和(自身を除く): 414401804

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1280, 1408, 1637, 1760, 1936, 2420, 2816, 3274, 3520, 3872, 4840, 6548, 7040, 7744, 8185, 9680, 13096, 14080, 15488, 16370, 18007, 19360, 26192, 30976, 32740, 36014, 38720, 52384, 65480, 72028, 77440, 90035, 104768, 130960, 144056, 154880, 180070, 198077, 209536, 261920, 288112, 360140, 396154, 419072, 523840, 576224, 720280, 792308, 990385, 1047680, 1152448, 1440560, 1584616, 1980770, 2095360, 2304896, 2881120, 3169232, 3961540, 4609792, 5762240, 6338464, 7923080, 11524480, 12676928, 15846160, 23048960, 25353856, 31692320, 50707712, 63384640, 126769280, 253538560]

約数ペア:

[(1, 253538560), (2, 126769280), (4, 63384640), (5, 50707712), (8, 31692320), (10, 25353856), (11, 23048960), (16, 15846160), (20, 12676928), (22, 11524480), (32, 7923080), (40, 6338464), (44, 5762240), (55, 4609792), (64, 3961540), (80, 3169232), (88, 2881120), (110, 2304896), (121, 2095360), (128, 1980770), (160, 1584616), (176, 1440560), (220, 1152448), (242, 1047680), (256, 990385), (320, 792308), (352, 720280), (440, 576224), (484, 523840), (605, 419072), (640, 396154), (704, 360140), (880, 288112), (968, 261920), (1210, 209536), (1280, 198077), (1408, 180070), (1637, 154880), (1760, 144056), (1936, 130960), (2420, 104768), (2816, 90035), (3274, 77440), (3520, 72028), (3872, 65480), (4840, 52384), (6548, 38720), (7040, 36014), (7744, 32740), (8185, 30976), (9680, 26192), (13096, 19360), (14080, 18007), (15488, 16370)]