1225438720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43517}}^1$

素因数の和:43551

約数の個数: 80

約数和(自身を含む): 3205361808

約数和(自身を除く): 1979923088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 14080, 28160, 43517, 87034, 174068, 217585, 348136, 435170, 478687, 696272, 870340, 957374, 1392544, 1740680, 1914748, 2393435, 2785088, 3481360, 3829496, 4786870, 5570176, 6962720, 7658992, 9573740, 11140352, 13925440, 15317984, 19147480, 22280704, 27850880, 30635968, 38294960, 55701760, 61271936, 76589920, 111403520, 122543872, 153179840, 245087744, 306359680, 612719360, 1225438720]

約数ペア:

[(1, 1225438720), (2, 612719360), (4, 306359680), (5, 245087744), (8, 153179840), (10, 122543872), (11, 111403520), (16, 76589920), (20, 61271936), (22, 55701760), (32, 38294960), (40, 30635968), (44, 27850880), (55, 22280704), (64, 19147480), (80, 15317984), (88, 13925440), (110, 11140352), (128, 9573740), (160, 7658992), (176, 6962720), (220, 5570176), (256, 4786870), (320, 3829496), (352, 3481360), (440, 2785088), (512, 2393435), (640, 1914748), (704, 1740680), (880, 1392544), (1280, 957374), (1408, 870340), (1760, 696272), (2560, 478687), (2816, 435170), (3520, 348136), (5632, 217585), (7040, 174068), (14080, 87034), (28160, 43517)]