11628800

素因数分解:

$2^8\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 108

約数和(自身を含む): 30414720

約数和(自身を除く): 18785920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 79, 80, 92, 100, 115, 128, 158, 160, 184, 200, 230, 256, 316, 320, 368, 395, 400, 460, 575, 632, 640, 736, 790, 800, 920, 1150, 1264, 1280, 1472, 1580, 1600, 1817, 1840, 1975, 2300, 2528, 2944, 3160, 3200, 3634, 3680, 3950, 4600, 5056, 5888, 6320, 6400, 7268, 7360, 7900, 9085, 9200, 10112, 12640, 14536, 14720, 15800, 18170, 18400, 20224, 25280, 29072, 29440, 31600, 36340, 36800, 45425, 50560, 58144, 63200, 72680, 73600, 90850, 101120, 116288, 126400, 145360, 147200, 181700, 232576, 252800, 290720, 363400, 465152, 505600, 581440, 726800, 1162880, 1453600, 2325760, 2907200, 5814400, 11628800]

約数ペア:

[(1, 11628800), (2, 5814400), (4, 2907200), (5, 2325760), (8, 1453600), (10, 1162880), (16, 726800), (20, 581440), (23, 505600), (25, 465152), (32, 363400), (40, 290720), (46, 252800), (50, 232576), (64, 181700), (79, 147200), (80, 145360), (92, 126400), (100, 116288), (115, 101120), (128, 90850), (158, 73600), (160, 72680), (184, 63200), (200, 58144), (230, 50560), (256, 45425), (316, 36800), (320, 36340), (368, 31600), (395, 29440), (400, 29072), (460, 25280), (575, 20224), (632, 18400), (640, 18170), (736, 15800), (790, 14720), (800, 14536), (920, 12640), (1150, 10112), (1264, 9200), (1280, 9085), (1472, 7900), (1580, 7360), (1600, 7268), (1817, 6400), (1840, 6320), (1975, 5888), (2300, 5056), (2528, 4600), (2944, 3950), (3160, 3680), (3200, 3634)]