257204160

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{9923}}^1$

素因数の和:9952

約数の個数: 140

約数和(自身を含む): 915012648

約数和(自身を除く): 657808488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 9923, 12960, 19846, 25920, 29769, 39692, 49615, 59538, 79384, 89307, 99230, 119076, 148845, 158768, 178614, 198460, 238152, 267921, 297690, 317536, 357228, 396920, 446535, 476304, 535842, 595380, 635072, 714456, 793840, 803763, 893070, 952608, 1071684, 1190760, 1339605, 1428912, 1587680, 1607526, 1786140, 1905216, 2143368, 2381520, 2679210, 2857824, 3175360, 3215052, 3572280, 4018815, 4286736, 4763040, 5358420, 5715648, 6430104, 7144560, 8037630, 8573472, 9526080, 10716840, 12860208, 14289120, 16075260, 17146944, 21433680, 25720416, 28578240, 32150520, 42867360, 51440832, 64301040, 85734720, 128602080, 257204160]

約数ペア:

[(1, 257204160), (2, 128602080), (3, 85734720), (4, 64301040), (5, 51440832), (6, 42867360), (8, 32150520), (9, 28578240), (10, 25720416), (12, 21433680), (15, 17146944), (16, 16075260), (18, 14289120), (20, 12860208), (24, 10716840), (27, 9526080), (30, 8573472), (32, 8037630), (36, 7144560), (40, 6430104), (45, 5715648), (48, 5358420), (54, 4763040), (60, 4286736), (64, 4018815), (72, 3572280), (80, 3215052), (81, 3175360), (90, 2857824), (96, 2679210), (108, 2381520), (120, 2143368), (135, 1905216), (144, 1786140), (160, 1607526), (162, 1587680), (180, 1428912), (192, 1339605), (216, 1190760), (240, 1071684), (270, 952608), (288, 893070), (320, 803763), (324, 793840), (360, 714456), (405, 635072), (432, 595380), (480, 535842), (540, 476304), (576, 446535), (648, 396920), (720, 357228), (810, 317536), (864, 297690), (960, 267921), (1080, 238152), (1296, 198460), (1440, 178614), (1620, 158768), (1728, 148845), (2160, 119076), (2592, 99230), (2880, 89307), (3240, 79384), (4320, 59538), (5184, 49615), (6480, 39692), (8640, 29769), (9923, 25920), (12960, 19846)]