135780080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89329}}^1$

素因数の和:89361

約数の個数: 40

約数和(自身を含む): 332307600

約数和(自身を除く): 196527520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 89329, 178658, 357316, 446645, 714632, 893290, 1429264, 1697251, 1786580, 3394502, 3573160, 6789004, 7146320, 8486255, 13578008, 16972510, 27156016, 33945020, 67890040, 135780080]

約数ペア:

[(1, 135780080), (2, 67890040), (4, 33945020), (5, 27156016), (8, 16972510), (10, 13578008), (16, 8486255), (19, 7146320), (20, 6789004), (38, 3573160), (40, 3394502), (76, 1786580), (80, 1697251), (95, 1429264), (152, 893290), (190, 714632), (304, 446645), (380, 357316), (760, 178658), (1520, 89329)]