1292460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 3899616

約数和(自身を除く): 2607156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1657, 3314, 4971, 6628, 8285, 9942, 16570, 19884, 21541, 24855, 33140, 43082, 49710, 64623, 86164, 99420, 107705, 129246, 215410, 258492, 323115, 430820, 646230, 1292460]

約数ペア:

[(1, 1292460), (2, 646230), (3, 430820), (4, 323115), (5, 258492), (6, 215410), (10, 129246), (12, 107705), (13, 99420), (15, 86164), (20, 64623), (26, 49710), (30, 43082), (39, 33140), (52, 24855), (60, 21541), (65, 19884), (78, 16570), (130, 9942), (156, 8285), (195, 6628), (260, 4971), (390, 3314), (780, 1657)]