261154920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167407}}^1$

素因数の和:167434

約数の個数: 64

約数和(自身を含む): 843736320

約数和(自身を除く): 582581400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 167407, 334814, 502221, 669628, 837035, 1004442, 1339256, 1674070, 2008884, 2176291, 2511105, 3348140, 4017768, 4352582, 5022210, 6528873, 6696280, 8705164, 10044420, 10881455, 13057746, 17410328, 20088840, 21762910, 26115492, 32644365, 43525820, 52230984, 65288730, 87051640, 130577460, 261154920]

約数ペア:

[(1, 261154920), (2, 130577460), (3, 87051640), (4, 65288730), (5, 52230984), (6, 43525820), (8, 32644365), (10, 26115492), (12, 21762910), (13, 20088840), (15, 17410328), (20, 13057746), (24, 10881455), (26, 10044420), (30, 8705164), (39, 6696280), (40, 6528873), (52, 5022210), (60, 4352582), (65, 4017768), (78, 3348140), (104, 2511105), (120, 2176291), (130, 2008884), (156, 1674070), (195, 1339256), (260, 1004442), (312, 837035), (390, 669628), (520, 502221), (780, 334814), (1560, 167407)]