28121640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{443}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 88391520

約数和(自身を除く): 60269880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 443, 460, 529, 552, 690, 886, 920, 1058, 1329, 1380, 1587, 1772, 2116, 2215, 2645, 2658, 2760, 3174, 3544, 4232, 4430, 5290, 5316, 6348, 6645, 7935, 8860, 10189, 10580, 10632, 12696, 13290, 15870, 17720, 20378, 21160, 26580, 30567, 31740, 40756, 50945, 53160, 61134, 63480, 81512, 101890, 122268, 152835, 203780, 234347, 244536, 305670, 407560, 468694, 611340, 703041, 937388, 1171735, 1222680, 1406082, 1874776, 2343470, 2812164, 3515205, 4686940, 5624328, 7030410, 9373880, 14060820, 28121640]

約数ペア:

[(1, 28121640), (2, 14060820), (3, 9373880), (4, 7030410), (5, 5624328), (6, 4686940), (8, 3515205), (10, 2812164), (12, 2343470), (15, 1874776), (20, 1406082), (23, 1222680), (24, 1171735), (30, 937388), (40, 703041), (46, 611340), (60, 468694), (69, 407560), (92, 305670), (115, 244536), (120, 234347), (138, 203780), (184, 152835), (230, 122268), (276, 101890), (345, 81512), (443, 63480), (460, 61134), (529, 53160), (552, 50945), (690, 40756), (886, 31740), (920, 30567), (1058, 26580), (1329, 21160), (1380, 20378), (1587, 17720), (1772, 15870), (2116, 13290), (2215, 12696), (2645, 10632), (2658, 10580), (2760, 10189), (3174, 8860), (3544, 7935), (4232, 6645), (4430, 6348), (5290, 5316)]