81377640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13297}}^1$

素因数の和:13331

約数の個数: 96

約数和(自身を含む): 280055880

約数和(自身を除く): 198678240

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, 13297, 26594, 39891, 53188, 66485, 79782, 106376, 119673, 132970, 159564, 199455, 226049, 239346, 265940, 319128, 398910, 452098, 478692, 531880, 598365, 678147, 797820, 904196, 957384, 1130245, 1196730, 1356294, 1595640, 1808392, 2034441, 2260490, 2393460, 2712588, 3390735, 4068882, 4520980, 4786920, 5425176, 6781470, 8137764, 9041960, 10172205, 13562940, 16275528, 20344410, 27125880, 40688820, 81377640]

約数ペア:

[(1, 81377640), (2, 40688820), (3, 27125880), (4, 20344410), (5, 16275528), (6, 13562940), (8, 10172205), (9, 9041960), (10, 8137764), (12, 6781470), (15, 5425176), (17, 4786920), (18, 4520980), (20, 4068882), (24, 3390735), (30, 2712588), (34, 2393460), (36, 2260490), (40, 2034441), (45, 1808392), (51, 1595640), (60, 1356294), (68, 1196730), (72, 1130245), (85, 957384), (90, 904196), (102, 797820), (120, 678147), (136, 598365), (153, 531880), (170, 478692), (180, 452098), (204, 398910), (255, 319128), (306, 265940), (340, 239346), (360, 226049), (408, 199455), (510, 159564), (612, 132970), (680, 119673), (765, 106376), (1020, 79782), (1224, 66485), (1530, 53188), (2040, 39891), (3060, 26594), (6120, 13297)]