2857018880

素因数分解:

$2^9\times 5^1\times {\mathrm{173}}^1\times {\mathrm{6451}}^1$

素因数の和:6647

約数の個数: 80

約数和(自身を含む): 6890813424

約数和(自身を除く): 4033794544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 512, 640, 692, 865, 1280, 1384, 1730, 2560, 2768, 3460, 5536, 6451, 6920, 11072, 12902, 13840, 22144, 25804, 27680, 32255, 44288, 51608, 55360, 64510, 88576, 103216, 110720, 129020, 206432, 221440, 258040, 412864, 442880, 516080, 825728, 1032160, 1116023, 1651456, 2064320, 2232046, 3302912, 4128640, 4464092, 5580115, 8257280, 8928184, 11160230, 16514560, 17856368, 22320460, 35712736, 44640920, 71425472, 89281840, 142850944, 178563680, 285701888, 357127360, 571403776, 714254720, 1428509440, 2857018880]

約数ペア:

[(1, 2857018880), (2, 1428509440), (4, 714254720), (5, 571403776), (8, 357127360), (10, 285701888), (16, 178563680), (20, 142850944), (32, 89281840), (40, 71425472), (64, 44640920), (80, 35712736), (128, 22320460), (160, 17856368), (173, 16514560), (256, 11160230), (320, 8928184), (346, 8257280), (512, 5580115), (640, 4464092), (692, 4128640), (865, 3302912), (1280, 2232046), (1384, 2064320), (1730, 1651456), (2560, 1116023), (2768, 1032160), (3460, 825728), (5536, 516080), (6451, 442880), (6920, 412864), (11072, 258040), (12902, 221440), (13840, 206432), (22144, 129020), (25804, 110720), (27680, 103216), (32255, 88576), (44288, 64510), (51608, 55360)]