205724040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39869}}^1$

素因数の和:39926

約数の個数: 64

約数和(自身を含む): 631540800

約数和(自身を除く): 425816760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 39869, 79738, 119607, 159476, 199345, 239214, 318952, 398690, 478428, 598035, 797380, 956856, 1196070, 1594760, 1714367, 2392140, 3428734, 4784280, 5143101, 6857468, 8571835, 10286202, 13714936, 17143670, 20572404, 25715505, 34287340, 41144808, 51431010, 68574680, 102862020, 205724040]

約数ペア:

[(1, 205724040), (2, 102862020), (3, 68574680), (4, 51431010), (5, 41144808), (6, 34287340), (8, 25715505), (10, 20572404), (12, 17143670), (15, 13714936), (20, 10286202), (24, 8571835), (30, 6857468), (40, 5143101), (43, 4784280), (60, 3428734), (86, 2392140), (120, 1714367), (129, 1594760), (172, 1196070), (215, 956856), (258, 797380), (344, 598035), (430, 478428), (516, 398690), (645, 318952), (860, 239214), (1032, 199345), (1290, 159476), (1720, 119607), (2580, 79738), (5160, 39869)]