678793060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{1567}}^1$

素因数の和:1777

約数の個数: 72

約数和(自身を含む): 1576592640

約数和(自身を除く): 897799580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 179, 220, 242, 358, 484, 605, 716, 895, 1210, 1567, 1790, 1969, 2420, 3134, 3580, 3938, 6268, 7835, 7876, 9845, 15670, 17237, 19690, 21659, 31340, 34474, 39380, 43318, 68948, 86185, 86636, 108295, 172370, 189607, 216590, 280493, 344740, 379214, 433180, 560986, 758428, 948035, 1121972, 1402465, 1896070, 2804930, 3085423, 3792140, 5609860, 6170846, 12341692, 15427115, 30854230, 33939653, 61708460, 67879306, 135758612, 169698265, 339396530, 678793060]

約数ペア:

[(1, 678793060), (2, 339396530), (4, 169698265), (5, 135758612), (10, 67879306), (11, 61708460), (20, 33939653), (22, 30854230), (44, 15427115), (55, 12341692), (110, 6170846), (121, 5609860), (179, 3792140), (220, 3085423), (242, 2804930), (358, 1896070), (484, 1402465), (605, 1121972), (716, 948035), (895, 758428), (1210, 560986), (1567, 433180), (1790, 379214), (1969, 344740), (2420, 280493), (3134, 216590), (3580, 189607), (3938, 172370), (6268, 108295), (7835, 86636), (7876, 86185), (9845, 68948), (15670, 43318), (17237, 39380), (19690, 34474), (21659, 31340)]