31431040

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 76365360

約数和(自身を除く): 44934320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 733, 1072, 1340, 1466, 2144, 2680, 2932, 3665, 4288, 5360, 5864, 7330, 8576, 10720, 11728, 14660, 21440, 23456, 29320, 42880, 46912, 49111, 58640, 93824, 98222, 117280, 196444, 234560, 245555, 392888, 469120, 491110, 785776, 982220, 1571552, 1964440, 3143104, 3928880, 6286208, 7857760, 15715520, 31431040]

約数ペア:

[(1, 31431040), (2, 15715520), (4, 7857760), (5, 6286208), (8, 3928880), (10, 3143104), (16, 1964440), (20, 1571552), (32, 982220), (40, 785776), (64, 491110), (67, 469120), (80, 392888), (128, 245555), (134, 234560), (160, 196444), (268, 117280), (320, 98222), (335, 93824), (536, 58640), (640, 49111), (670, 46912), (733, 42880), (1072, 29320), (1340, 23456), (1466, 21440), (2144, 14660), (2680, 11728), (2932, 10720), (3665, 8576), (4288, 7330), (5360, 5864)]