81925320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15877}}^1$

素因数の和:15934

約数の個数: 64

約数和(自身を含む): 251507520

約数和(自身を除く): 169582200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15877, 31754, 47631, 63508, 79385, 95262, 127016, 158770, 190524, 238155, 317540, 381048, 476310, 635080, 682711, 952620, 1365422, 1905240, 2048133, 2730844, 3413555, 4096266, 5461688, 6827110, 8192532, 10240665, 13654220, 16385064, 20481330, 27308440, 40962660, 81925320]

約数ペア:

[(1, 81925320), (2, 40962660), (3, 27308440), (4, 20481330), (5, 16385064), (6, 13654220), (8, 10240665), (10, 8192532), (12, 6827110), (15, 5461688), (20, 4096266), (24, 3413555), (30, 2730844), (40, 2048133), (43, 1905240), (60, 1365422), (86, 952620), (120, 682711), (129, 635080), (172, 476310), (215, 381048), (258, 317540), (344, 238155), (430, 190524), (516, 158770), (645, 127016), (860, 95262), (1032, 79385), (1290, 63508), (1720, 47631), (2580, 31754), (5160, 15877)]