129260820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165719}}^1$

素因数の和:165744

約数の個数: 48

約数和(自身を含む): 389773440

約数和(自身を除く): 260512620

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, 165719, 331438, 497157, 662876, 828595, 994314, 1657190, 1988628, 2154347, 2485785, 3314380, 4308694, 4971570, 6463041, 8617388, 9943140, 10771735, 12926082, 21543470, 25852164, 32315205, 43086940, 64630410, 129260820]

約数ペア:

[(1, 129260820), (2, 64630410), (3, 43086940), (4, 32315205), (5, 25852164), (6, 21543470), (10, 12926082), (12, 10771735), (13, 9943140), (15, 8617388), (20, 6463041), (26, 4971570), (30, 4308694), (39, 3314380), (52, 2485785), (60, 2154347), (65, 1988628), (78, 1657190), (130, 994314), (156, 828595), (195, 662876), (260, 497157), (390, 331438), (780, 165719)]