1566181880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{4391}}^1$

素因数の和:4680

約数の個数: 64

約数和(自身を含む): 3634994880

約数和(自身を除く): 2068813000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 241, 296, 370, 482, 740, 964, 1205, 1480, 1928, 2410, 4391, 4820, 8782, 8917, 9640, 17564, 17834, 21955, 35128, 35668, 43910, 44585, 71336, 87820, 89170, 162467, 175640, 178340, 324934, 356680, 649868, 812335, 1058231, 1299736, 1624670, 2116462, 3249340, 4232924, 5291155, 6498680, 8465848, 10582310, 21164620, 39154547, 42329240, 78309094, 156618188, 195772735, 313236376, 391545470, 783090940, 1566181880]

約数ペア:

[(1, 1566181880), (2, 783090940), (4, 391545470), (5, 313236376), (8, 195772735), (10, 156618188), (20, 78309094), (37, 42329240), (40, 39154547), (74, 21164620), (148, 10582310), (185, 8465848), (241, 6498680), (296, 5291155), (370, 4232924), (482, 3249340), (740, 2116462), (964, 1624670), (1205, 1299736), (1480, 1058231), (1928, 812335), (2410, 649868), (4391, 356680), (4820, 324934), (8782, 178340), (8917, 175640), (9640, 162467), (17564, 89170), (17834, 87820), (21955, 71336), (35128, 44585), (35668, 43910)]