74727680

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 181507200

約数和(自身を除く): 106779520

約数列:

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

約数ペア:

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