171513080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 401345280

約数和(自身を除く): 229832200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 881, 1240, 1256, 1570, 1762, 3140, 3524, 4405, 4867, 6280, 7048, 8810, 9734, 17620, 19468, 24335, 27311, 35240, 38936, 48670, 54622, 97340, 109244, 136555, 138317, 194680, 218488, 273110, 276634, 546220, 553268, 691585, 1092440, 1106536, 1383170, 2766340, 4287827, 5532680, 8575654, 17151308, 21439135, 34302616, 42878270, 85756540, 171513080]

約数ペア:

[(1, 171513080), (2, 85756540), (4, 42878270), (5, 34302616), (8, 21439135), (10, 17151308), (20, 8575654), (31, 5532680), (40, 4287827), (62, 2766340), (124, 1383170), (155, 1106536), (157, 1092440), (248, 691585), (310, 553268), (314, 546220), (620, 276634), (628, 273110), (785, 218488), (881, 194680), (1240, 138317), (1256, 136555), (1570, 109244), (1762, 97340), (3140, 54622), (3524, 48670), (4405, 38936), (4867, 35240), (6280, 27311), (7048, 24335), (8810, 19468), (9734, 17620)]