1556551960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{2671}}^1$

素因数の和:3556

約数の個数: 64

約数和(自身を含む): 3713973120

約数和(自身を除く): 2157421160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 857, 1714, 2671, 3428, 4285, 5342, 6856, 8570, 10684, 13355, 14569, 17140, 21368, 26710, 29138, 34280, 45407, 53420, 58276, 72845, 90814, 106840, 116552, 145690, 181628, 227035, 291380, 363256, 454070, 582760, 908140, 1816280, 2289047, 4578094, 9156188, 11445235, 18312376, 22890470, 38913799, 45780940, 77827598, 91561880, 155655196, 194568995, 311310392, 389137990, 778275980, 1556551960]

約数ペア:

[(1, 1556551960), (2, 778275980), (4, 389137990), (5, 311310392), (8, 194568995), (10, 155655196), (17, 91561880), (20, 77827598), (34, 45780940), (40, 38913799), (68, 22890470), (85, 18312376), (136, 11445235), (170, 9156188), (340, 4578094), (680, 2289047), (857, 1816280), (1714, 908140), (2671, 582760), (3428, 454070), (4285, 363256), (5342, 291380), (6856, 227035), (8570, 181628), (10684, 145690), (13355, 116552), (14569, 106840), (17140, 90814), (21368, 72845), (26710, 58276), (29138, 53420), (34280, 45407)]