747916440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{3121}}^1$

素因数の和:5132

約数の個数: 64

約数和(自身を含む): 2245592160

約数和(自身を除く): 1497675720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1997, 3121, 3994, 5991, 6242, 7988, 9363, 9985, 11982, 12484, 15605, 15976, 18726, 19970, 23964, 24968, 29955, 31210, 37452, 39940, 46815, 47928, 59910, 62420, 74904, 79880, 93630, 119820, 124840, 187260, 239640, 374520, 6232637, 12465274, 18697911, 24930548, 31163185, 37395822, 49861096, 62326370, 74791644, 93489555, 124652740, 149583288, 186979110, 249305480, 373958220, 747916440]

約数ペア:

[(1, 747916440), (2, 373958220), (3, 249305480), (4, 186979110), (5, 149583288), (6, 124652740), (8, 93489555), (10, 74791644), (12, 62326370), (15, 49861096), (20, 37395822), (24, 31163185), (30, 24930548), (40, 18697911), (60, 12465274), (120, 6232637), (1997, 374520), (3121, 239640), (3994, 187260), (5991, 124840), (6242, 119820), (7988, 93630), (9363, 79880), (9985, 74904), (11982, 62420), (12484, 59910), (15605, 47928), (15976, 46815), (18726, 39940), (19970, 37452), (23964, 31210), (24968, 29955)]