256462320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24851}}^1$

素因数の和:24910

約数の個数: 80

約数和(自身を含む): 813555072

約数和(自身を除く): 557092752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 24851, 49702, 74553, 99404, 124255, 149106, 198808, 248510, 298212, 372765, 397616, 497020, 596424, 745530, 994040, 1068593, 1192848, 1491060, 1988080, 2137186, 2982120, 3205779, 4274372, 5342965, 5964240, 6411558, 8548744, 10685930, 12823116, 16028895, 17097488, 21371860, 25646232, 32057790, 42743720, 51292464, 64115580, 85487440, 128231160, 256462320]

約数ペア:

[(1, 256462320), (2, 128231160), (3, 85487440), (4, 64115580), (5, 51292464), (6, 42743720), (8, 32057790), (10, 25646232), (12, 21371860), (15, 17097488), (16, 16028895), (20, 12823116), (24, 10685930), (30, 8548744), (40, 6411558), (43, 5964240), (48, 5342965), (60, 4274372), (80, 3205779), (86, 2982120), (120, 2137186), (129, 1988080), (172, 1491060), (215, 1192848), (240, 1068593), (258, 994040), (344, 745530), (430, 596424), (516, 497020), (645, 397616), (688, 372765), (860, 298212), (1032, 248510), (1290, 198808), (1720, 149106), (2064, 124255), (2580, 99404), (3440, 74553), (5160, 49702), (10320, 24851)]