71583640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 171072000

約数和(自身を除く): 99488360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 655, 719, 760, 1048, 1310, 1438, 2489, 2620, 2876, 3595, 4978, 5240, 5752, 7190, 9956, 12445, 13661, 14380, 19912, 24890, 27322, 28760, 49780, 54644, 68305, 94189, 99560, 109288, 136610, 188378, 273220, 376756, 470945, 546440, 753512, 941890, 1789591, 1883780, 3579182, 3767560, 7158364, 8947955, 14316728, 17895910, 35791820, 71583640]

約数ペア:

[(1, 71583640), (2, 35791820), (4, 17895910), (5, 14316728), (8, 8947955), (10, 7158364), (19, 3767560), (20, 3579182), (38, 1883780), (40, 1789591), (76, 941890), (95, 753512), (131, 546440), (152, 470945), (190, 376756), (262, 273220), (380, 188378), (524, 136610), (655, 109288), (719, 99560), (760, 94189), (1048, 68305), (1310, 54644), (1438, 49780), (2489, 28760), (2620, 27322), (2876, 24890), (3595, 19912), (4978, 14380), (5240, 13661), (5752, 12445), (7190, 9956)]