257148840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164839}}^1$

素因数の和:164866

約数の個数: 64

約数和(自身を含む): 830793600

約数和(自身を除く): 573644760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 164839, 329678, 494517, 659356, 824195, 989034, 1318712, 1648390, 1978068, 2142907, 2472585, 3296780, 3956136, 4285814, 4945170, 6428721, 6593560, 8571628, 9890340, 10714535, 12857442, 17143256, 19780680, 21429070, 25714884, 32143605, 42858140, 51429768, 64287210, 85716280, 128574420, 257148840]

約数ペア:

[(1, 257148840), (2, 128574420), (3, 85716280), (4, 64287210), (5, 51429768), (6, 42858140), (8, 32143605), (10, 25714884), (12, 21429070), (13, 19780680), (15, 17143256), (20, 12857442), (24, 10714535), (26, 9890340), (30, 8571628), (39, 6593560), (40, 6428721), (52, 4945170), (60, 4285814), (65, 3956136), (78, 3296780), (104, 2472585), (120, 2142907), (130, 1978068), (156, 1648390), (195, 1318712), (260, 989034), (312, 824195), (390, 659356), (520, 494517), (780, 329678), (1560, 164839)]