28506420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 92252160

約数和(自身を除く): 63745740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 43, 45, 58, 60, 86, 87, 90, 116, 127, 129, 145, 172, 174, 180, 215, 254, 258, 261, 290, 348, 381, 387, 430, 435, 508, 516, 522, 580, 635, 645, 762, 774, 860, 870, 1044, 1143, 1247, 1270, 1290, 1305, 1524, 1548, 1740, 1905, 1935, 2286, 2494, 2540, 2580, 2610, 3683, 3741, 3810, 3870, 4572, 4988, 5220, 5461, 5715, 6235, 7366, 7482, 7620, 7740, 10922, 11049, 11223, 11430, 12470, 14732, 14964, 16383, 18415, 18705, 21844, 22098, 22446, 22860, 24940, 27305, 32766, 33147, 36830, 37410, 44196, 44892, 49149, 54610, 55245, 56115, 65532, 66294, 73660, 74820, 81915, 98298, 109220, 110490, 112230, 132588, 158369, 163830, 165735, 196596, 220980, 224460, 245745, 316738, 327660, 331470, 475107, 491490, 633476, 662940, 791845, 950214, 982980, 1425321, 1583690, 1900428, 2375535, 2850642, 3167380, 4751070, 5701284, 7126605, 9502140, 14253210, 28506420]

約数ペア:

[(1, 28506420), (2, 14253210), (3, 9502140), (4, 7126605), (5, 5701284), (6, 4751070), (9, 3167380), (10, 2850642), (12, 2375535), (15, 1900428), (18, 1583690), (20, 1425321), (29, 982980), (30, 950214), (36, 791845), (43, 662940), (45, 633476), (58, 491490), (60, 475107), (86, 331470), (87, 327660), (90, 316738), (116, 245745), (127, 224460), (129, 220980), (145, 196596), (172, 165735), (174, 163830), (180, 158369), (215, 132588), (254, 112230), (258, 110490), (261, 109220), (290, 98298), (348, 81915), (381, 74820), (387, 73660), (430, 66294), (435, 65532), (508, 56115), (516, 55245), (522, 54610), (580, 49149), (635, 44892), (645, 44196), (762, 37410), (774, 36830), (860, 33147), (870, 32766), (1044, 27305), (1143, 24940), (1247, 22860), (1270, 22446), (1290, 22098), (1305, 21844), (1524, 18705), (1548, 18415), (1740, 16383), (1905, 14964), (1935, 14732), (2286, 12470), (2494, 11430), (2540, 11223), (2580, 11049), (2610, 10922), (3683, 7740), (3741, 7620), (3810, 7482), (3870, 7366), (4572, 6235), (4988, 5715), (5220, 5461)]