261305640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42697}}^1$

素因数の和:42731

約数の個数: 96

約数和(自身を含む): 899219880

約数和(自身を除く): 637914240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 42697, 85394, 128091, 170788, 213485, 256182, 341576, 384273, 426970, 512364, 640455, 725849, 768546, 853940, 1024728, 1280910, 1451698, 1537092, 1707880, 1921365, 2177547, 2561820, 2903396, 3074184, 3629245, 3842730, 4355094, 5123640, 5806792, 6532641, 7258490, 7685460, 8710188, 10887735, 13065282, 14516980, 15370920, 17420376, 21775470, 26130564, 29033960, 32663205, 43550940, 52261128, 65326410, 87101880, 130652820, 261305640]

約数ペア:

[(1, 261305640), (2, 130652820), (3, 87101880), (4, 65326410), (5, 52261128), (6, 43550940), (8, 32663205), (9, 29033960), (10, 26130564), (12, 21775470), (15, 17420376), (17, 15370920), (18, 14516980), (20, 13065282), (24, 10887735), (30, 8710188), (34, 7685460), (36, 7258490), (40, 6532641), (45, 5806792), (51, 5123640), (60, 4355094), (68, 3842730), (72, 3629245), (85, 3074184), (90, 2903396), (102, 2561820), (120, 2177547), (136, 1921365), (153, 1707880), (170, 1537092), (180, 1451698), (204, 1280910), (255, 1024728), (306, 853940), (340, 768546), (360, 725849), (408, 640455), (510, 512364), (612, 426970), (680, 384273), (765, 341576), (1020, 256182), (1224, 213485), (1530, 170788), (2040, 128091), (3060, 85394), (6120, 42697)]