8427570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 12861390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 47, 86, 94, 129, 139, 141, 215, 235, 258, 278, 282, 417, 430, 470, 645, 695, 705, 834, 1290, 1390, 1410, 2021, 2085, 4042, 4170, 5977, 6063, 6533, 10105, 11954, 12126, 13066, 17931, 19599, 20210, 29885, 30315, 32665, 35862, 39198, 59770, 60630, 65330, 89655, 97995, 179310, 195990, 280919, 561838, 842757, 1404595, 1685514, 2809190, 4213785, 8427570]

約数ペア:

[(1, 8427570), (2, 4213785), (3, 2809190), (5, 1685514), (6, 1404595), (10, 842757), (15, 561838), (30, 280919), (43, 195990), (47, 179310), (86, 97995), (94, 89655), (129, 65330), (139, 60630), (141, 59770), (215, 39198), (235, 35862), (258, 32665), (278, 30315), (282, 29885), (417, 20210), (430, 19599), (470, 17931), (645, 13066), (695, 12126), (705, 11954), (834, 10105), (1290, 6533), (1390, 6063), (1410, 5977), (2021, 4170), (2085, 4042)]