31529560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 75816000

約数和(自身を除く): 44286440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 233, 340, 398, 466, 680, 796, 932, 995, 1165, 1592, 1864, 1990, 2330, 3383, 3961, 3980, 4660, 6766, 7922, 7960, 9320, 13532, 15844, 16915, 19805, 27064, 31688, 33830, 39610, 46367, 67660, 79220, 92734, 135320, 158440, 185468, 231835, 370936, 463670, 788239, 927340, 1576478, 1854680, 3152956, 3941195, 6305912, 7882390, 15764780, 31529560]

約数ペア:

[(1, 31529560), (2, 15764780), (4, 7882390), (5, 6305912), (8, 3941195), (10, 3152956), (17, 1854680), (20, 1576478), (34, 927340), (40, 788239), (68, 463670), (85, 370936), (136, 231835), (170, 185468), (199, 158440), (233, 135320), (340, 92734), (398, 79220), (466, 67660), (680, 46367), (796, 39610), (932, 33830), (995, 31688), (1165, 27064), (1592, 19805), (1864, 16915), (1990, 15844), (2330, 13532), (3383, 9320), (3961, 7960), (3980, 7922), (4660, 6766)]