401023620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{31379}}^1$

素因数の和:31465

約数の個数: 72

約数和(自身を含む): 1233610560

約数和(自身を除く): 832586940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 31379, 62758, 94137, 125516, 156895, 188274, 282411, 313790, 376548, 470685, 564822, 627580, 941370, 1129644, 1412055, 1882740, 2227909, 2824110, 4455818, 5648220, 6683727, 8911636, 11139545, 13367454, 20051181, 22279090, 26734908, 33418635, 40102362, 44558180, 66837270, 80204724, 100255905, 133674540, 200511810, 401023620]

約数ペア:

[(1, 401023620), (2, 200511810), (3, 133674540), (4, 100255905), (5, 80204724), (6, 66837270), (9, 44558180), (10, 40102362), (12, 33418635), (15, 26734908), (18, 22279090), (20, 20051181), (30, 13367454), (36, 11139545), (45, 8911636), (60, 6683727), (71, 5648220), (90, 4455818), (142, 2824110), (180, 2227909), (213, 1882740), (284, 1412055), (355, 1129644), (426, 941370), (639, 627580), (710, 564822), (852, 470685), (1065, 376548), (1278, 313790), (1420, 282411), (2130, 188274), (2556, 156895), (3195, 125516), (4260, 94137), (6390, 62758), (12780, 31379)]