191847680

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2203

約数の個数: 72

約数和(自身を含む): 466228224

約数和(自身を除く): 274380544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2111, 2272, 2840, 4222, 4544, 5680, 8444, 9088, 10555, 11360, 16888, 18176, 21110, 22720, 33776, 42220, 45440, 67552, 84440, 90880, 135104, 149881, 168880, 270208, 299762, 337760, 540416, 599524, 675520, 749405, 1199048, 1351040, 1498810, 2398096, 2702080, 2997620, 4796192, 5995240, 9592384, 11990480, 19184768, 23980960, 38369536, 47961920, 95923840, 191847680]

約数ペア:

[(1, 191847680), (2, 95923840), (4, 47961920), (5, 38369536), (8, 23980960), (10, 19184768), (16, 11990480), (20, 9592384), (32, 5995240), (40, 4796192), (64, 2997620), (71, 2702080), (80, 2398096), (128, 1498810), (142, 1351040), (160, 1199048), (256, 749405), (284, 675520), (320, 599524), (355, 540416), (568, 337760), (640, 299762), (710, 270208), (1136, 168880), (1280, 149881), (1420, 135104), (2111, 90880), (2272, 84440), (2840, 67552), (4222, 45440), (4544, 42220), (5680, 33776), (8444, 22720), (9088, 21110), (10555, 18176), (11360, 16888)]