31012240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 83566080

約数和(自身を除く): 52553840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 701, 790, 1106, 1264, 1402, 1580, 2212, 2765, 2804, 3160, 3505, 4424, 4907, 5530, 5608, 6320, 7010, 8848, 9814, 11060, 11216, 14020, 19628, 22120, 24535, 28040, 39256, 44240, 49070, 55379, 56080, 78512, 98140, 110758, 196280, 221516, 276895, 387653, 392560, 443032, 553790, 775306, 886064, 1107580, 1550612, 1938265, 2215160, 3101224, 3876530, 4430320, 6202448, 7753060, 15506120, 31012240]

約数ペア:

[(1, 31012240), (2, 15506120), (4, 7753060), (5, 6202448), (7, 4430320), (8, 3876530), (10, 3101224), (14, 2215160), (16, 1938265), (20, 1550612), (28, 1107580), (35, 886064), (40, 775306), (56, 553790), (70, 443032), (79, 392560), (80, 387653), (112, 276895), (140, 221516), (158, 196280), (280, 110758), (316, 98140), (395, 78512), (553, 56080), (560, 55379), (632, 49070), (701, 44240), (790, 39256), (1106, 28040), (1264, 24535), (1402, 22120), (1580, 19628), (2212, 14020), (2765, 11216), (2804, 11060), (3160, 9814), (3505, 8848), (4424, 7010), (4907, 6320), (5530, 5608)]