56839380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72871}}^1$

素因数の和:72896

約数の個数: 48

約数和(自身を含む): 171394944

約数和(自身を除く): 114555564

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, 72871, 145742, 218613, 291484, 364355, 437226, 728710, 874452, 947323, 1093065, 1457420, 1894646, 2186130, 2841969, 3789292, 4372260, 4736615, 5683938, 9473230, 11367876, 14209845, 18946460, 28419690, 56839380]

約数ペア:

[(1, 56839380), (2, 28419690), (3, 18946460), (4, 14209845), (5, 11367876), (6, 9473230), (10, 5683938), (12, 4736615), (13, 4372260), (15, 3789292), (20, 2841969), (26, 2186130), (30, 1894646), (39, 1457420), (52, 1093065), (60, 947323), (65, 874452), (78, 728710), (130, 437226), (156, 364355), (195, 291484), (260, 218613), (390, 145742), (780, 72871)]