320499080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23497}}^1$

素因数の和:23550

約数の個数: 64

約数和(自身を含む): 812090880

約数和(自身を除く): 491591800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 23497, 46994, 93988, 117485, 187976, 234970, 258467, 469940, 516934, 728407, 939880, 1033868, 1292335, 1456814, 2067736, 2584670, 2913628, 3642035, 5169340, 5827256, 7284070, 8012477, 10338680, 14568140, 16024954, 29136280, 32049908, 40062385, 64099816, 80124770, 160249540, 320499080]

約数ペア:

[(1, 320499080), (2, 160249540), (4, 80124770), (5, 64099816), (8, 40062385), (10, 32049908), (11, 29136280), (20, 16024954), (22, 14568140), (31, 10338680), (40, 8012477), (44, 7284070), (55, 5827256), (62, 5169340), (88, 3642035), (110, 2913628), (124, 2584670), (155, 2067736), (220, 1456814), (248, 1292335), (310, 1033868), (341, 939880), (440, 728407), (620, 516934), (682, 469940), (1240, 258467), (1364, 234970), (1705, 187976), (2728, 117485), (3410, 93988), (6820, 46994), (13640, 23497)]