137665280

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 332673264

約数和(自身を除く): 195007984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 524, 640, 655, 821, 1048, 1280, 1310, 1642, 2096, 2620, 3284, 4105, 4192, 5240, 6568, 8210, 8384, 10480, 13136, 16420, 16768, 20960, 26272, 32840, 33536, 41920, 52544, 65680, 83840, 105088, 107551, 131360, 167680, 210176, 215102, 262720, 430204, 525440, 537755, 860408, 1050880, 1075510, 1720816, 2151020, 3441632, 4302040, 6883264, 8604080, 13766528, 17208160, 27533056, 34416320, 68832640, 137665280]

約数ペア:

[(1, 137665280), (2, 68832640), (4, 34416320), (5, 27533056), (8, 17208160), (10, 13766528), (16, 8604080), (20, 6883264), (32, 4302040), (40, 3441632), (64, 2151020), (80, 1720816), (128, 1075510), (131, 1050880), (160, 860408), (256, 537755), (262, 525440), (320, 430204), (524, 262720), (640, 215102), (655, 210176), (821, 167680), (1048, 131360), (1280, 107551), (1310, 105088), (1642, 83840), (2096, 65680), (2620, 52544), (3284, 41920), (4105, 33536), (4192, 32840), (5240, 26272), (6568, 20960), (8210, 16768), (8384, 16420), (10480, 13136)]