31158180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 100638720

約数和(自身を除く): 69480540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 87, 90, 94, 116, 127, 141, 145, 174, 180, 188, 235, 254, 261, 282, 290, 348, 381, 423, 435, 470, 508, 522, 564, 580, 635, 705, 762, 846, 870, 940, 1044, 1143, 1270, 1305, 1363, 1410, 1524, 1692, 1740, 1905, 2115, 2286, 2540, 2610, 2726, 2820, 3683, 3810, 4089, 4230, 4572, 5220, 5452, 5715, 5969, 6815, 7366, 7620, 8178, 8460, 11049, 11430, 11938, 12267, 13630, 14732, 16356, 17907, 18415, 20445, 22098, 22860, 23876, 24534, 27260, 29845, 33147, 35814, 36830, 40890, 44196, 49068, 53721, 55245, 59690, 61335, 66294, 71628, 73660, 81780, 89535, 107442, 110490, 119380, 122670, 132588, 165735, 173101, 179070, 214884, 220980, 245340, 268605, 331470, 346202, 358140, 519303, 537210, 662940, 692404, 865505, 1038606, 1074420, 1557909, 1731010, 2077212, 2596515, 3115818, 3462020, 5193030, 6231636, 7789545, 10386060, 15579090, 31158180]

約数ペア:

[(1, 31158180), (2, 15579090), (3, 10386060), (4, 7789545), (5, 6231636), (6, 5193030), (9, 3462020), (10, 3115818), (12, 2596515), (15, 2077212), (18, 1731010), (20, 1557909), (29, 1074420), (30, 1038606), (36, 865505), (45, 692404), (47, 662940), (58, 537210), (60, 519303), (87, 358140), (90, 346202), (94, 331470), (116, 268605), (127, 245340), (141, 220980), (145, 214884), (174, 179070), (180, 173101), (188, 165735), (235, 132588), (254, 122670), (261, 119380), (282, 110490), (290, 107442), (348, 89535), (381, 81780), (423, 73660), (435, 71628), (470, 66294), (508, 61335), (522, 59690), (564, 55245), (580, 53721), (635, 49068), (705, 44196), (762, 40890), (846, 36830), (870, 35814), (940, 33147), (1044, 29845), (1143, 27260), (1270, 24534), (1305, 23876), (1363, 22860), (1410, 22098), (1524, 20445), (1692, 18415), (1740, 17907), (1905, 16356), (2115, 14732), (2286, 13630), (2540, 12267), (2610, 11938), (2726, 11430), (2820, 11049), (3683, 8460), (3810, 8178), (4089, 7620), (4230, 7366), (4572, 6815), (5220, 5969), (5452, 5715)]