557202420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19717}}^1$

素因数の和:19889

約数の個数: 72

約数和(自身を含む): 1701032424

約数和(自身を除く): 1143830004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 9420, 14130, 19717, 28260, 39434, 59151, 78868, 98585, 118302, 177453, 197170, 236604, 295755, 354906, 394340, 591510, 709812, 887265, 1183020, 1774530, 3095569, 3549060, 6191138, 9286707, 12382276, 15477845, 18573414, 27860121, 30955690, 37146828, 46433535, 55720242, 61911380, 92867070, 111440484, 139300605, 185734140, 278601210, 557202420]

約数ペア:

[(1, 557202420), (2, 278601210), (3, 185734140), (4, 139300605), (5, 111440484), (6, 92867070), (9, 61911380), (10, 55720242), (12, 46433535), (15, 37146828), (18, 30955690), (20, 27860121), (30, 18573414), (36, 15477845), (45, 12382276), (60, 9286707), (90, 6191138), (157, 3549060), (180, 3095569), (314, 1774530), (471, 1183020), (628, 887265), (785, 709812), (942, 591510), (1413, 394340), (1570, 354906), (1884, 295755), (2355, 236604), (2826, 197170), (3140, 177453), (4710, 118302), (5652, 98585), (7065, 78868), (9420, 59151), (14130, 39434), (19717, 28260)]