68884020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 218749608

約数和(自身を除く): 149865588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 101, 108, 135, 162, 180, 202, 270, 303, 324, 404, 405, 421, 505, 540, 606, 810, 842, 909, 1010, 1212, 1263, 1515, 1620, 1684, 1818, 2020, 2105, 2526, 2727, 3030, 3636, 3789, 4210, 4545, 5052, 5454, 6060, 6315, 7578, 8181, 8420, 9090, 10908, 11367, 12630, 13635, 15156, 16362, 18180, 18945, 22734, 25260, 27270, 32724, 34101, 37890, 40905, 42521, 45468, 54540, 56835, 68202, 75780, 81810, 85042, 113670, 127563, 136404, 163620, 170084, 170505, 212605, 227340, 255126, 341010, 382689, 425210, 510252, 637815, 682020, 765378, 850420, 1148067, 1275630, 1530756, 1913445, 2296134, 2551260, 3444201, 3826890, 4592268, 5740335, 6888402, 7653780, 11480670, 13776804, 17221005, 22961340, 34442010, 68884020]

約数ペア:

[(1, 68884020), (2, 34442010), (3, 22961340), (4, 17221005), (5, 13776804), (6, 11480670), (9, 7653780), (10, 6888402), (12, 5740335), (15, 4592268), (18, 3826890), (20, 3444201), (27, 2551260), (30, 2296134), (36, 1913445), (45, 1530756), (54, 1275630), (60, 1148067), (81, 850420), (90, 765378), (101, 682020), (108, 637815), (135, 510252), (162, 425210), (180, 382689), (202, 341010), (270, 255126), (303, 227340), (324, 212605), (404, 170505), (405, 170084), (421, 163620), (505, 136404), (540, 127563), (606, 113670), (810, 85042), (842, 81810), (909, 75780), (1010, 68202), (1212, 56835), (1263, 54540), (1515, 45468), (1620, 42521), (1684, 40905), (1818, 37890), (2020, 34101), (2105, 32724), (2526, 27270), (2727, 25260), (3030, 22734), (3636, 18945), (3789, 18180), (4210, 16362), (4545, 15156), (5052, 13635), (5454, 12630), (6060, 11367), (6315, 10908), (7578, 9090), (8181, 8420)]