160782920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 371790000

約数和(自身を除く): 211007080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 149, 212, 265, 298, 424, 509, 530, 596, 745, 1018, 1060, 1192, 1490, 2036, 2120, 2545, 2980, 4072, 5090, 5960, 7897, 10180, 15794, 20360, 26977, 31588, 39485, 53954, 63176, 75841, 78970, 107908, 134885, 151682, 157940, 215816, 269770, 303364, 315880, 379205, 539540, 606728, 758410, 1079080, 1516820, 3033640, 4019573, 8039146, 16078292, 20097865, 32156584, 40195730, 80391460, 160782920]

約数ペア:

[(1, 160782920), (2, 80391460), (4, 40195730), (5, 32156584), (8, 20097865), (10, 16078292), (20, 8039146), (40, 4019573), (53, 3033640), (106, 1516820), (149, 1079080), (212, 758410), (265, 606728), (298, 539540), (424, 379205), (509, 315880), (530, 303364), (596, 269770), (745, 215816), (1018, 157940), (1060, 151682), (1192, 134885), (1490, 107908), (2036, 78970), (2120, 75841), (2545, 63176), (2980, 53954), (4072, 39485), (5090, 31588), (5960, 26977), (7897, 20360), (10180, 15794)]