19356800

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 50086080

約数和(自身を除く): 30729280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 263, 320, 368, 400, 460, 526, 575, 640, 736, 800, 920, 1052, 1150, 1315, 1472, 1600, 1840, 2104, 2300, 2630, 2944, 3200, 3680, 4208, 4600, 5260, 6049, 6575, 7360, 8416, 9200, 10520, 12098, 13150, 14720, 16832, 18400, 21040, 24196, 26300, 30245, 33664, 36800, 42080, 48392, 52600, 60490, 73600, 84160, 96784, 105200, 120980, 151225, 168320, 193568, 210400, 241960, 302450, 387136, 420800, 483920, 604900, 774272, 841600, 967840, 1209800, 1935680, 2419600, 3871360, 4839200, 9678400, 19356800]

約数ペア:

[(1, 19356800), (2, 9678400), (4, 4839200), (5, 3871360), (8, 2419600), (10, 1935680), (16, 1209800), (20, 967840), (23, 841600), (25, 774272), (32, 604900), (40, 483920), (46, 420800), (50, 387136), (64, 302450), (80, 241960), (92, 210400), (100, 193568), (115, 168320), (128, 151225), (160, 120980), (184, 105200), (200, 96784), (230, 84160), (263, 73600), (320, 60490), (368, 52600), (400, 48392), (460, 42080), (526, 36800), (575, 33664), (640, 30245), (736, 26300), (800, 24196), (920, 21040), (1052, 18400), (1150, 16832), (1315, 14720), (1472, 13150), (1600, 12098), (1840, 10520), (2104, 9200), (2300, 8416), (2630, 7360), (2944, 6575), (3200, 6049), (3680, 5260), (4208, 4600)]