1520943920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1000621}}^1$

素因数の和:1000653

約数の個数: 40

約数和(自身を含む): 3722313840

約数和(自身を除く): 2201369920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1000621, 2001242, 4002484, 5003105, 8004968, 10006210, 16009936, 19011799, 20012420, 38023598, 40024840, 76047196, 80049680, 95058995, 152094392, 190117990, 304188784, 380235980, 760471960, 1520943920]

約数ペア:

[(1, 1520943920), (2, 760471960), (4, 380235980), (5, 304188784), (8, 190117990), (10, 152094392), (16, 95058995), (19, 80049680), (20, 76047196), (38, 40024840), (40, 38023598), (76, 20012420), (80, 19011799), (95, 16009936), (152, 10006210), (190, 8004968), (304, 5003105), (380, 4002484), (760, 2001242), (1520, 1000621)]