491817840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3187}}^1$

素因数の和:3846

約数の個数: 80

約数和(自身を含む): 1527485568

約数和(自身を除く): 1035667728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1286, 1929, 2572, 3187, 3215, 3858, 5144, 6374, 6430, 7716, 9561, 9645, 10288, 12748, 12860, 15432, 15935, 19122, 19290, 25496, 25720, 30864, 31870, 38244, 38580, 47805, 50992, 51440, 63740, 76488, 77160, 95610, 127480, 152976, 154320, 191220, 254960, 382440, 764880, 2049241, 4098482, 6147723, 8196964, 10246205, 12295446, 16393928, 20492410, 24590892, 30738615, 32787856, 40984820, 49181784, 61477230, 81969640, 98363568, 122954460, 163939280, 245908920, 491817840]

約数ペア:

[(1, 491817840), (2, 245908920), (3, 163939280), (4, 122954460), (5, 98363568), (6, 81969640), (8, 61477230), (10, 49181784), (12, 40984820), (15, 32787856), (16, 30738615), (20, 24590892), (24, 20492410), (30, 16393928), (40, 12295446), (48, 10246205), (60, 8196964), (80, 6147723), (120, 4098482), (240, 2049241), (643, 764880), (1286, 382440), (1929, 254960), (2572, 191220), (3187, 154320), (3215, 152976), (3858, 127480), (5144, 95610), (6374, 77160), (6430, 76488), (7716, 63740), (9561, 51440), (9645, 50992), (10288, 47805), (12748, 38580), (12860, 38244), (15432, 31870), (15935, 30864), (19122, 25720), (19290, 25496)]