15894620

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{331}}^1$

素因数の和:368

約数の個数: 60

約数和(自身を含む): 39057144

約数和(自身を除く): 23162524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 331, 343, 490, 662, 686, 980, 1324, 1372, 1655, 1715, 2317, 2401, 3310, 3430, 4634, 4802, 6620, 6860, 9268, 9604, 11585, 12005, 16219, 23170, 24010, 32438, 46340, 48020, 64876, 81095, 113533, 162190, 227066, 324380, 454132, 567665, 794731, 1135330, 1589462, 2270660, 3178924, 3973655, 7947310, 15894620]

約数ペア:

[(1, 15894620), (2, 7947310), (4, 3973655), (5, 3178924), (7, 2270660), (10, 1589462), (14, 1135330), (20, 794731), (28, 567665), (35, 454132), (49, 324380), (70, 227066), (98, 162190), (140, 113533), (196, 81095), (245, 64876), (331, 48020), (343, 46340), (490, 32438), (662, 24010), (686, 23170), (980, 16219), (1324, 12005), (1372, 11585), (1655, 9604), (1715, 9268), (2317, 6860), (2401, 6620), (3310, 4802), (3430, 4634)]