1028720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 2999808

約数和(自身を除く): 1971088

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 167, 176, 220, 280, 308, 334, 385, 440, 560, 616, 668, 770, 835, 880, 1169, 1232, 1336, 1540, 1670, 1837, 2338, 2672, 3080, 3340, 3674, 4676, 5845, 6160, 6680, 7348, 9185, 9352, 11690, 12859, 13360, 14696, 18370, 18704, 23380, 25718, 29392, 36740, 46760, 51436, 64295, 73480, 93520, 102872, 128590, 146960, 205744, 257180, 514360, 1028720]

約数ペア:

[(1, 1028720), (2, 514360), (4, 257180), (5, 205744), (7, 146960), (8, 128590), (10, 102872), (11, 93520), (14, 73480), (16, 64295), (20, 51436), (22, 46760), (28, 36740), (35, 29392), (40, 25718), (44, 23380), (55, 18704), (56, 18370), (70, 14696), (77, 13360), (80, 12859), (88, 11690), (110, 9352), (112, 9185), (140, 7348), (154, 6680), (167, 6160), (176, 5845), (220, 4676), (280, 3674), (308, 3340), (334, 3080), (385, 2672), (440, 2338), (560, 1837), (616, 1670), (668, 1540), (770, 1336), (835, 1232), (880, 1169)]