142700720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 353468448

約数和(自身を除く): 210767728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 317, 331, 340, 634, 662, 680, 1268, 1324, 1360, 1585, 1655, 2536, 2648, 3170, 3310, 5072, 5296, 5389, 5627, 6340, 6620, 10778, 11254, 12680, 13240, 21556, 22508, 25360, 26480, 26945, 28135, 43112, 45016, 53890, 56270, 86224, 90032, 104927, 107780, 112540, 209854, 215560, 225080, 419708, 431120, 450160, 524635, 839416, 1049270, 1678832, 1783759, 2098540, 3567518, 4197080, 7135036, 8394160, 8918795, 14270072, 17837590, 28540144, 35675180, 71350360, 142700720]

約数ペア:

[(1, 142700720), (2, 71350360), (4, 35675180), (5, 28540144), (8, 17837590), (10, 14270072), (16, 8918795), (17, 8394160), (20, 7135036), (34, 4197080), (40, 3567518), (68, 2098540), (80, 1783759), (85, 1678832), (136, 1049270), (170, 839416), (272, 524635), (317, 450160), (331, 431120), (340, 419708), (634, 225080), (662, 215560), (680, 209854), (1268, 112540), (1324, 107780), (1360, 104927), (1585, 90032), (1655, 86224), (2536, 56270), (2648, 53890), (3170, 45016), (3310, 43112), (5072, 28135), (5296, 26945), (5389, 26480), (5627, 25360), (6340, 22508), (6620, 21556), (10778, 13240), (11254, 12680)]