322065640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{937}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 782404560

約数和(自身を除く): 460338920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 661, 937, 1322, 1874, 2644, 3305, 3748, 4685, 5288, 6610, 7496, 8593, 9370, 12181, 13220, 17186, 18740, 24362, 26440, 34372, 37480, 42965, 48724, 60905, 68744, 85930, 97448, 121810, 171860, 243620, 343720, 487240, 619357, 1238714, 2477428, 3096785, 4954856, 6193570, 8051641, 12387140, 16103282, 24774280, 32206564, 40258205, 64413128, 80516410, 161032820, 322065640]

約数ペア:

[(1, 322065640), (2, 161032820), (4, 80516410), (5, 64413128), (8, 40258205), (10, 32206564), (13, 24774280), (20, 16103282), (26, 12387140), (40, 8051641), (52, 6193570), (65, 4954856), (104, 3096785), (130, 2477428), (260, 1238714), (520, 619357), (661, 487240), (937, 343720), (1322, 243620), (1874, 171860), (2644, 121810), (3305, 97448), (3748, 85930), (4685, 68744), (5288, 60905), (6610, 48724), (7496, 42965), (8593, 37480), (9370, 34372), (12181, 26440), (13220, 24362), (17186, 18740)]