149455360

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:841

約数の個数: 80

約数和(自身を含む): 363369600

約数和(自身を除く): 213914240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 739, 790, 1264, 1280, 1478, 1580, 2528, 2560, 2956, 3160, 3695, 5056, 5912, 6320, 7390, 10112, 11824, 12640, 14780, 20224, 23648, 25280, 29560, 40448, 47296, 50560, 58381, 59120, 94592, 101120, 116762, 118240, 189184, 202240, 233524, 236480, 291905, 378368, 467048, 472960, 583810, 934096, 945920, 1167620, 1868192, 1891840, 2335240, 3736384, 4670480, 7472768, 9340960, 14945536, 18681920, 29891072, 37363840, 74727680, 149455360]

約数ペア:

[(1, 149455360), (2, 74727680), (4, 37363840), (5, 29891072), (8, 18681920), (10, 14945536), (16, 9340960), (20, 7472768), (32, 4670480), (40, 3736384), (64, 2335240), (79, 1891840), (80, 1868192), (128, 1167620), (158, 945920), (160, 934096), (256, 583810), (316, 472960), (320, 467048), (395, 378368), (512, 291905), (632, 236480), (640, 233524), (739, 202240), (790, 189184), (1264, 118240), (1280, 116762), (1478, 101120), (1580, 94592), (2528, 59120), (2560, 58381), (2956, 50560), (3160, 47296), (3695, 40448), (5056, 29560), (5912, 25280), (6320, 23648), (7390, 20224), (10112, 14780), (11824, 12640)]