28395480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5503}}^1$

素因数の和:5560

約数の個数: 64

約数和(自身を含む): 87183360

約数和(自身を除く): 58787880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5503, 11006, 16509, 22012, 27515, 33018, 44024, 55030, 66036, 82545, 110060, 132072, 165090, 220120, 236629, 330180, 473258, 660360, 709887, 946516, 1183145, 1419774, 1893032, 2366290, 2839548, 3549435, 4732580, 5679096, 7098870, 9465160, 14197740, 28395480]

約数ペア:

[(1, 28395480), (2, 14197740), (3, 9465160), (4, 7098870), (5, 5679096), (6, 4732580), (8, 3549435), (10, 2839548), (12, 2366290), (15, 1893032), (20, 1419774), (24, 1183145), (30, 946516), (40, 709887), (43, 660360), (60, 473258), (86, 330180), (120, 236629), (129, 220120), (172, 165090), (215, 132072), (258, 110060), (344, 82545), (430, 66036), (516, 55030), (645, 44024), (860, 33018), (1032, 27515), (1290, 22012), (1720, 16509), (2580, 11006), (5160, 5503)]