121528240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{463}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 301373568

約数和(自身を除く): 179845328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 193, 272, 340, 386, 463, 680, 772, 926, 965, 1360, 1544, 1852, 1930, 2315, 3088, 3281, 3704, 3860, 4630, 6562, 7408, 7720, 7871, 9260, 13124, 15440, 15742, 16405, 18520, 26248, 31484, 32810, 37040, 39355, 52496, 62968, 65620, 78710, 89359, 125936, 131240, 157420, 178718, 262480, 314840, 357436, 446795, 629680, 714872, 893590, 1429744, 1519103, 1787180, 3038206, 3574360, 6076412, 7148720, 7595515, 12152824, 15191030, 24305648, 30382060, 60764120, 121528240]

約数ペア:

[(1, 121528240), (2, 60764120), (4, 30382060), (5, 24305648), (8, 15191030), (10, 12152824), (16, 7595515), (17, 7148720), (20, 6076412), (34, 3574360), (40, 3038206), (68, 1787180), (80, 1519103), (85, 1429744), (136, 893590), (170, 714872), (193, 629680), (272, 446795), (340, 357436), (386, 314840), (463, 262480), (680, 178718), (772, 157420), (926, 131240), (965, 125936), (1360, 89359), (1544, 78710), (1852, 65620), (1930, 62968), (2315, 52496), (3088, 39355), (3281, 37040), (3704, 32810), (3860, 31484), (4630, 26248), (6562, 18520), (7408, 16405), (7720, 15742), (7871, 15440), (9260, 13124)]