68877880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 165240000

約数和(自身を除く): 96362120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 340, 398, 509, 680, 796, 995, 1018, 1592, 1990, 2036, 2545, 3383, 3980, 4072, 5090, 6766, 7960, 8653, 10180, 13532, 16915, 17306, 20360, 27064, 33830, 34612, 43265, 67660, 69224, 86530, 101291, 135320, 173060, 202582, 346120, 405164, 506455, 810328, 1012910, 1721947, 2025820, 3443894, 4051640, 6887788, 8609735, 13775576, 17219470, 34438940, 68877880]

約数ペア:

[(1, 68877880), (2, 34438940), (4, 17219470), (5, 13775576), (8, 8609735), (10, 6887788), (17, 4051640), (20, 3443894), (34, 2025820), (40, 1721947), (68, 1012910), (85, 810328), (136, 506455), (170, 405164), (199, 346120), (340, 202582), (398, 173060), (509, 135320), (680, 101291), (796, 86530), (995, 69224), (1018, 67660), (1592, 43265), (1990, 34612), (2036, 33830), (2545, 27064), (3383, 20360), (3980, 17306), (4072, 16915), (5090, 13532), (6766, 10180), (7960, 8653)]