1308816120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{51691}}^1$

素因数の和:51916

約数の個数: 64

約数和(自身を含む): 3945133440

約数和(自身を除く): 2636317320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 8440, 12660, 25320, 51691, 103382, 155073, 206764, 258455, 310146, 413528, 516910, 620292, 775365, 1033820, 1240584, 1550730, 2067640, 3101460, 6202920, 10906801, 21813602, 32720403, 43627204, 54534005, 65440806, 87254408, 109068010, 130881612, 163602015, 218136020, 261763224, 327204030, 436272040, 654408060, 1308816120]

約数ペア:

[(1, 1308816120), (2, 654408060), (3, 436272040), (4, 327204030), (5, 261763224), (6, 218136020), (8, 163602015), (10, 130881612), (12, 109068010), (15, 87254408), (20, 65440806), (24, 54534005), (30, 43627204), (40, 32720403), (60, 21813602), (120, 10906801), (211, 6202920), (422, 3101460), (633, 2067640), (844, 1550730), (1055, 1240584), (1266, 1033820), (1688, 775365), (2110, 620292), (2532, 516910), (3165, 413528), (4220, 310146), (5064, 258455), (6330, 206764), (8440, 155073), (12660, 103382), (25320, 51691)]