272656720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21169}}^1$

素因数の和:21212

約数の個数: 80

約数和(自身を含む): 756023040

約数和(自身を除く): 483366320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 21169, 42338, 84676, 105845, 148183, 169352, 211690, 296366, 338704, 423380, 486887, 592732, 740915, 846760, 973774, 1185464, 1481830, 1693520, 1947548, 2370928, 2434435, 2963660, 3408209, 3895096, 4868870, 5927320, 6816418, 7790192, 9737740, 11854640, 13632836, 17041045, 19475480, 27265672, 34082090, 38950960, 54531344, 68164180, 136328360, 272656720]

約数ペア:

[(1, 272656720), (2, 136328360), (4, 68164180), (5, 54531344), (7, 38950960), (8, 34082090), (10, 27265672), (14, 19475480), (16, 17041045), (20, 13632836), (23, 11854640), (28, 9737740), (35, 7790192), (40, 6816418), (46, 5927320), (56, 4868870), (70, 3895096), (80, 3408209), (92, 2963660), (112, 2434435), (115, 2370928), (140, 1947548), (161, 1693520), (184, 1481830), (230, 1185464), (280, 973774), (322, 846760), (368, 740915), (460, 592732), (560, 486887), (644, 423380), (805, 338704), (920, 296366), (1288, 211690), (1610, 169352), (1840, 148183), (2576, 105845), (3220, 84676), (6440, 42338), (12880, 21169)]