1078528080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{641981}}^1$

素因数の和:642004

約数の個数: 80

約数和(自身を含む): 3821076864

約数和(自身を除く): 2742548784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 641981, 1283962, 1925943, 2567924, 3209905, 3851886, 4493867, 5135848, 6419810, 7703772, 8987734, 9629715, 10271696, 12839620, 13481601, 15407544, 17975468, 19259430, 22469335, 25679240, 26963202, 30815088, 35950936, 38518860, 44938670, 51358480, 53926404, 67408005, 71901872, 77037720, 89877340, 107852808, 134816010, 154075440, 179754680, 215705616, 269632020, 359509360, 539264040, 1078528080]

約数ペア:

[(1, 1078528080), (2, 539264040), (3, 359509360), (4, 269632020), (5, 215705616), (6, 179754680), (7, 154075440), (8, 134816010), (10, 107852808), (12, 89877340), (14, 77037720), (15, 71901872), (16, 67408005), (20, 53926404), (21, 51358480), (24, 44938670), (28, 38518860), (30, 35950936), (35, 30815088), (40, 26963202), (42, 25679240), (48, 22469335), (56, 19259430), (60, 17975468), (70, 15407544), (80, 13481601), (84, 12839620), (105, 10271696), (112, 9629715), (120, 8987734), (140, 7703772), (168, 6419810), (210, 5135848), (240, 4493867), (280, 3851886), (336, 3209905), (420, 2567924), (560, 1925943), (840, 1283962), (1680, 641981)]