51159420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21863}}^1$

素因数の和:21891

約数の個数: 72

約数和(自身を含む): 167128416

約数和(自身を除く): 115968996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21863, 43726, 65589, 87452, 109315, 131178, 196767, 218630, 262356, 284219, 327945, 393534, 437260, 568438, 655890, 787068, 852657, 983835, 1136876, 1311780, 1421095, 1705314, 1967670, 2557971, 2842190, 3410628, 3935340, 4263285, 5115942, 5684380, 8526570, 10231884, 12789855, 17053140, 25579710, 51159420]

約数ペア:

[(1, 51159420), (2, 25579710), (3, 17053140), (4, 12789855), (5, 10231884), (6, 8526570), (9, 5684380), (10, 5115942), (12, 4263285), (13, 3935340), (15, 3410628), (18, 2842190), (20, 2557971), (26, 1967670), (30, 1705314), (36, 1421095), (39, 1311780), (45, 1136876), (52, 983835), (60, 852657), (65, 787068), (78, 655890), (90, 568438), (117, 437260), (130, 393534), (156, 327945), (180, 284219), (195, 262356), (234, 218630), (260, 196767), (390, 131178), (468, 109315), (585, 87452), (780, 65589), (1170, 43726), (2340, 21863)]