831036280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{1153}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 1925979840

約数和(自身を除く): 1094943560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 487, 740, 974, 1153, 1480, 1948, 2306, 2435, 3896, 4612, 4870, 5765, 9224, 9740, 11530, 18019, 19480, 23060, 36038, 42661, 46120, 72076, 85322, 90095, 144152, 170644, 180190, 213305, 341288, 360380, 426610, 561511, 720760, 853220, 1123022, 1706440, 2246044, 2807555, 4492088, 5615110, 11230220, 20775907, 22460440, 41551814, 83103628, 103879535, 166207256, 207759070, 415518140, 831036280]

約数ペア:

[(1, 831036280), (2, 415518140), (4, 207759070), (5, 166207256), (8, 103879535), (10, 83103628), (20, 41551814), (37, 22460440), (40, 20775907), (74, 11230220), (148, 5615110), (185, 4492088), (296, 2807555), (370, 2246044), (487, 1706440), (740, 1123022), (974, 853220), (1153, 720760), (1480, 561511), (1948, 426610), (2306, 360380), (2435, 341288), (3896, 213305), (4612, 180190), (4870, 170644), (5765, 144152), (9224, 90095), (9740, 85322), (11530, 72076), (18019, 46120), (19480, 42661), (23060, 36038)]