164064620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 389188800

約数和(自身を除く): 225124180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 109, 170, 190, 218, 233, 323, 340, 380, 436, 466, 545, 646, 932, 1090, 1165, 1292, 1615, 1853, 2071, 2180, 2330, 3230, 3706, 3961, 4142, 4427, 4660, 6460, 7412, 7922, 8284, 8854, 9265, 10355, 15844, 17708, 18530, 19805, 20710, 22135, 25397, 35207, 37060, 39610, 41420, 44270, 50794, 70414, 75259, 79220, 88540, 101588, 126985, 140828, 150518, 176035, 253970, 301036, 352070, 376295, 431749, 482543, 507940, 704140, 752590, 863498, 965086, 1505180, 1726996, 1930172, 2158745, 2412715, 4317490, 4825430, 8203231, 8634980, 9650860, 16406462, 32812924, 41016155, 82032310, 164064620]

約数ペア:

[(1, 164064620), (2, 82032310), (4, 41016155), (5, 32812924), (10, 16406462), (17, 9650860), (19, 8634980), (20, 8203231), (34, 4825430), (38, 4317490), (68, 2412715), (76, 2158745), (85, 1930172), (95, 1726996), (109, 1505180), (170, 965086), (190, 863498), (218, 752590), (233, 704140), (323, 507940), (340, 482543), (380, 431749), (436, 376295), (466, 352070), (545, 301036), (646, 253970), (932, 176035), (1090, 150518), (1165, 140828), (1292, 126985), (1615, 101588), (1853, 88540), (2071, 79220), (2180, 75259), (2330, 70414), (3230, 50794), (3706, 44270), (3961, 41420), (4142, 39610), (4427, 37060), (4660, 35207), (6460, 25397), (7412, 22135), (7922, 20710), (8284, 19805), (8854, 18530), (9265, 17708), (10355, 15844)]