21932800

素因数分解:

$2^8\times 5^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 108

約数和(自身を含む): 57027600

約数和(自身を除く): 35094800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 149, 160, 184, 200, 230, 256, 298, 320, 368, 400, 460, 575, 596, 640, 736, 745, 800, 920, 1150, 1192, 1280, 1472, 1490, 1600, 1840, 2300, 2384, 2944, 2980, 3200, 3427, 3680, 3725, 4600, 4768, 5888, 5960, 6400, 6854, 7360, 7450, 9200, 9536, 11920, 13708, 14720, 14900, 17135, 18400, 19072, 23840, 27416, 29440, 29800, 34270, 36800, 38144, 47680, 54832, 59600, 68540, 73600, 85675, 95360, 109664, 119200, 137080, 147200, 171350, 190720, 219328, 238400, 274160, 342700, 438656, 476800, 548320, 685400, 877312, 953600, 1096640, 1370800, 2193280, 2741600, 4386560, 5483200, 10966400, 21932800]

約数ペア:

[(1, 21932800), (2, 10966400), (4, 5483200), (5, 4386560), (8, 2741600), (10, 2193280), (16, 1370800), (20, 1096640), (23, 953600), (25, 877312), (32, 685400), (40, 548320), (46, 476800), (50, 438656), (64, 342700), (80, 274160), (92, 238400), (100, 219328), (115, 190720), (128, 171350), (149, 147200), (160, 137080), (184, 119200), (200, 109664), (230, 95360), (256, 85675), (298, 73600), (320, 68540), (368, 59600), (400, 54832), (460, 47680), (575, 38144), (596, 36800), (640, 34270), (736, 29800), (745, 29440), (800, 27416), (920, 23840), (1150, 19072), (1192, 18400), (1280, 17135), (1472, 14900), (1490, 14720), (1600, 13708), (1840, 11920), (2300, 9536), (2384, 9200), (2944, 7450), (2980, 7360), (3200, 6854), (3427, 6400), (3680, 5960), (3725, 5888), (4600, 4768)]