18328000

素因数分解:

$2^6\times 5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 112

約数和(自身を含む): 47548800

約数和(自身を除く): 29220800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 79, 80, 100, 116, 125, 145, 158, 160, 200, 232, 250, 290, 316, 320, 395, 400, 464, 500, 580, 632, 725, 790, 800, 928, 1000, 1160, 1264, 1450, 1580, 1600, 1856, 1975, 2000, 2291, 2320, 2528, 2900, 3160, 3625, 3950, 4000, 4582, 4640, 5056, 5800, 6320, 7250, 7900, 8000, 9164, 9280, 9875, 11455, 11600, 12640, 14500, 15800, 18328, 19750, 22910, 23200, 25280, 29000, 31600, 36656, 39500, 45820, 46400, 57275, 58000, 63200, 73312, 79000, 91640, 114550, 116000, 126400, 146624, 158000, 183280, 229100, 232000, 286375, 316000, 366560, 458200, 572750, 632000, 733120, 916400, 1145500, 1832800, 2291000, 3665600, 4582000, 9164000, 18328000]

約数ペア:

[(1, 18328000), (2, 9164000), (4, 4582000), (5, 3665600), (8, 2291000), (10, 1832800), (16, 1145500), (20, 916400), (25, 733120), (29, 632000), (32, 572750), (40, 458200), (50, 366560), (58, 316000), (64, 286375), (79, 232000), (80, 229100), (100, 183280), (116, 158000), (125, 146624), (145, 126400), (158, 116000), (160, 114550), (200, 91640), (232, 79000), (250, 73312), (290, 63200), (316, 58000), (320, 57275), (395, 46400), (400, 45820), (464, 39500), (500, 36656), (580, 31600), (632, 29000), (725, 25280), (790, 23200), (800, 22910), (928, 19750), (1000, 18328), (1160, 15800), (1264, 14500), (1450, 12640), (1580, 11600), (1600, 11455), (1856, 9875), (1975, 9280), (2000, 9164), (2291, 8000), (2320, 7900), (2528, 7250), (2900, 6320), (3160, 5800), (3625, 5056), (3950, 4640), (4000, 4582)]