31398880

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 78654240

約数和(自身を除く): 47255360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 67, 80, 101, 116, 134, 145, 160, 202, 232, 268, 290, 335, 404, 464, 505, 536, 580, 670, 808, 928, 1010, 1072, 1160, 1340, 1616, 1943, 2020, 2144, 2320, 2680, 2929, 3232, 3886, 4040, 4640, 5360, 5858, 6767, 7772, 8080, 9715, 10720, 11716, 13534, 14645, 15544, 16160, 19430, 23432, 27068, 29290, 31088, 33835, 38860, 46864, 54136, 58580, 62176, 67670, 77720, 93728, 108272, 117160, 135340, 155440, 196243, 216544, 234320, 270680, 310880, 392486, 468640, 541360, 784972, 981215, 1082720, 1569944, 1962430, 3139888, 3924860, 6279776, 7849720, 15699440, 31398880]

約数ペア:

[(1, 31398880), (2, 15699440), (4, 7849720), (5, 6279776), (8, 3924860), (10, 3139888), (16, 1962430), (20, 1569944), (29, 1082720), (32, 981215), (40, 784972), (58, 541360), (67, 468640), (80, 392486), (101, 310880), (116, 270680), (134, 234320), (145, 216544), (160, 196243), (202, 155440), (232, 135340), (268, 117160), (290, 108272), (335, 93728), (404, 77720), (464, 67670), (505, 62176), (536, 58580), (580, 54136), (670, 46864), (808, 38860), (928, 33835), (1010, 31088), (1072, 29290), (1160, 27068), (1340, 23432), (1616, 19430), (1943, 16160), (2020, 15544), (2144, 14645), (2320, 13534), (2680, 11716), (2929, 10720), (3232, 9715), (3886, 8080), (4040, 7772), (4640, 6767), (5360, 5858)]