120820830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309797}}^1$

素因数の和:309820

約数の個数: 32

約数和(自身を含む): 312276384

約数和(自身を除く): 191455554

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 309797, 619594, 929391, 1548985, 1858782, 3097970, 4027361, 4646955, 8054722, 9293910, 12082083, 20136805, 24164166, 40273610, 60410415, 120820830]

約数ペア:

[(1, 120820830), (2, 60410415), (3, 40273610), (5, 24164166), (6, 20136805), (10, 12082083), (13, 9293910), (15, 8054722), (26, 4646955), (30, 4027361), (39, 3097970), (65, 1858782), (78, 1548985), (130, 929391), (195, 619594), (390, 309797)]