15661278120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4210021}}^1$

素因数の和:4210066

約数の個数: 64

約数和(自身を含む): 48499453440

約数和(自身を除く): 32838175320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 4210021, 8420042, 12630063, 16840084, 21050105, 25260126, 33680168, 42100210, 50520252, 63150315, 84200420, 101040504, 126300630, 130510651, 168400840, 252601260, 261021302, 391531953, 505202520, 522042604, 652553255, 783063906, 1044085208, 1305106510, 1566127812, 1957659765, 2610213020, 3132255624, 3915319530, 5220426040, 7830639060, 15661278120]

約数ペア:

[(1, 15661278120), (2, 7830639060), (3, 5220426040), (4, 3915319530), (5, 3132255624), (6, 2610213020), (8, 1957659765), (10, 1566127812), (12, 1305106510), (15, 1044085208), (20, 783063906), (24, 652553255), (30, 522042604), (31, 505202520), (40, 391531953), (60, 261021302), (62, 252601260), (93, 168400840), (120, 130510651), (124, 126300630), (155, 101040504), (186, 84200420), (248, 63150315), (310, 50520252), (372, 42100210), (465, 33680168), (620, 25260126), (744, 21050105), (930, 16840084), (1240, 12630063), (1860, 8420042), (3720, 4210021)]