81980535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 177408000

約数和(自身を除く): 95427465

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 29, 35, 39, 57, 65, 87, 91, 95, 105, 109, 133, 145, 195, 203, 247, 273, 285, 327, 377, 399, 435, 455, 545, 551, 609, 665, 741, 763, 1015, 1131, 1235, 1365, 1417, 1635, 1653, 1729, 1885, 1995, 2071, 2289, 2639, 2755, 3045, 3161, 3705, 3815, 3857, 4251, 5187, 5655, 6213, 7085, 7163, 7917, 8265, 8645, 9483, 9919, 10355, 11445, 11571, 13195, 14497, 15805, 19285, 21255, 21489, 22127, 25935, 26923, 29757, 31065, 35815, 39585, 41093, 43491, 47415, 49595, 50141, 57855, 60059, 66381, 72485, 80769, 107445, 110635, 123279, 134615, 148785, 150423, 180177, 188461, 205465, 217455, 250705, 287651, 300295, 331905, 403845, 420413, 565383, 616395, 752115, 780767, 862953, 900885, 942305, 1261239, 1438255, 2102065, 2342301, 2826915, 3903835, 4314765, 5465369, 6306195, 11711505, 16396107, 27326845, 81980535]

約数ペア:

[(1, 81980535), (3, 27326845), (5, 16396107), (7, 11711505), (13, 6306195), (15, 5465369), (19, 4314765), (21, 3903835), (29, 2826915), (35, 2342301), (39, 2102065), (57, 1438255), (65, 1261239), (87, 942305), (91, 900885), (95, 862953), (105, 780767), (109, 752115), (133, 616395), (145, 565383), (195, 420413), (203, 403845), (247, 331905), (273, 300295), (285, 287651), (327, 250705), (377, 217455), (399, 205465), (435, 188461), (455, 180177), (545, 150423), (551, 148785), (609, 134615), (665, 123279), (741, 110635), (763, 107445), (1015, 80769), (1131, 72485), (1235, 66381), (1365, 60059), (1417, 57855), (1635, 50141), (1653, 49595), (1729, 47415), (1885, 43491), (1995, 41093), (2071, 39585), (2289, 35815), (2639, 31065), (2755, 29757), (3045, 26923), (3161, 25935), (3705, 22127), (3815, 21489), (3857, 21255), (4251, 19285), (5187, 15805), (5655, 14497), (6213, 13195), (7085, 11571), (7163, 11445), (7917, 10355), (8265, 9919), (8645, 9483)]