157201880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5857}}^1$

素因数の和:5940

約数の個数: 64

約数和(自身を含む): 392251680

約数和(自身を除く): 235049800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 5857, 6710, 11714, 13420, 23428, 26840, 29285, 46856, 58570, 64427, 117140, 128854, 234280, 257708, 322135, 357277, 515416, 644270, 714554, 1288540, 1429108, 1786385, 2577080, 2858216, 3572770, 3930047, 7145540, 7860094, 14291080, 15720188, 19650235, 31440376, 39300470, 78600940, 157201880]

約数ペア:

[(1, 157201880), (2, 78600940), (4, 39300470), (5, 31440376), (8, 19650235), (10, 15720188), (11, 14291080), (20, 7860094), (22, 7145540), (40, 3930047), (44, 3572770), (55, 2858216), (61, 2577080), (88, 1786385), (110, 1429108), (122, 1288540), (220, 714554), (244, 644270), (305, 515416), (440, 357277), (488, 322135), (610, 257708), (671, 234280), (1220, 128854), (1342, 117140), (2440, 64427), (2684, 58570), (3355, 46856), (5368, 29285), (5857, 26840), (6710, 23428), (11714, 13420)]