260893040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 626076000

約数和(自身を除く): 365182960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 149, 172, 215, 298, 344, 430, 509, 596, 688, 745, 860, 1018, 1192, 1490, 1720, 2036, 2384, 2545, 2980, 3440, 4072, 5090, 5960, 6407, 8144, 10180, 11920, 12814, 20360, 21887, 25628, 32035, 40720, 43774, 51256, 64070, 75841, 87548, 102512, 109435, 128140, 151682, 175096, 218870, 256280, 303364, 350192, 379205, 437740, 512560, 606728, 758410, 875480, 1213456, 1516820, 1750960, 3033640, 3261163, 6067280, 6522326, 13044652, 16305815, 26089304, 32611630, 52178608, 65223260, 130446520, 260893040]

約数ペア:

[(1, 260893040), (2, 130446520), (4, 65223260), (5, 52178608), (8, 32611630), (10, 26089304), (16, 16305815), (20, 13044652), (40, 6522326), (43, 6067280), (80, 3261163), (86, 3033640), (149, 1750960), (172, 1516820), (215, 1213456), (298, 875480), (344, 758410), (430, 606728), (509, 512560), (596, 437740), (688, 379205), (745, 350192), (860, 303364), (1018, 256280), (1192, 218870), (1490, 175096), (1720, 151682), (2036, 128140), (2384, 109435), (2545, 102512), (2980, 87548), (3440, 75841), (4072, 64070), (5090, 51256), (5960, 43774), (6407, 40720), (8144, 32035), (10180, 25628), (11920, 21887), (12814, 20360)]