6658380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 20520864

約数和(自身を除く): 13862484

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, 521, 639, 710, 852, 1042, 1065, 1278, 1420, 1563, 2084, 2130, 2556, 2605, 3126, 3195, 4260, 4689, 5210, 6252, 6390, 7815, 9378, 10420, 12780, 15630, 18756, 23445, 31260, 36991, 46890, 73982, 93780, 110973, 147964, 184955, 221946, 332919, 369910, 443892, 554865, 665838, 739820, 1109730, 1331676, 1664595, 2219460, 3329190, 6658380]

約数ペア:

[(1, 6658380), (2, 3329190), (3, 2219460), (4, 1664595), (5, 1331676), (6, 1109730), (9, 739820), (10, 665838), (12, 554865), (15, 443892), (18, 369910), (20, 332919), (30, 221946), (36, 184955), (45, 147964), (60, 110973), (71, 93780), (90, 73982), (142, 46890), (180, 36991), (213, 31260), (284, 23445), (355, 18756), (426, 15630), (521, 12780), (639, 10420), (710, 9378), (852, 7815), (1042, 6390), (1065, 6252), (1278, 5210), (1420, 4689), (1563, 4260), (2084, 3195), (2130, 3126), (2556, 2605)]