521511660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1364

約数の個数: 144

約数和(自身を含む): 1668086784

約数和(自身を除く): 1146575124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 103, 115, 138, 180, 206, 207, 230, 276, 309, 345, 412, 414, 460, 515, 618, 690, 828, 927, 1030, 1035, 1223, 1236, 1380, 1545, 1854, 2060, 2070, 2369, 2446, 3090, 3669, 3708, 4140, 4635, 4738, 4892, 6115, 6180, 7107, 7338, 9270, 9476, 11007, 11845, 12230, 14214, 14676, 18345, 18540, 21321, 22014, 23690, 24460, 28129, 28428, 35535, 36690, 42642, 44028, 47380, 55035, 56258, 71070, 73380, 84387, 85284, 106605, 110070, 112516, 125969, 140645, 142140, 168774, 213210, 220140, 251938, 253161, 281290, 337548, 377907, 421935, 426420, 503876, 506322, 562580, 629845, 755814, 843870, 1012644, 1133721, 1259690, 1265805, 1511628, 1687740, 1889535, 2267442, 2519380, 2531610, 2897287, 3779070, 4534884, 5063220, 5668605, 5794574, 7558140, 8691861, 11337210, 11589148, 14486435, 17383722, 22674420, 26075583, 28972870, 34767444, 43459305, 52151166, 57945740, 86918610, 104302332, 130377915, 173837220, 260755830, 521511660]

約数ペア:

[(1, 521511660), (2, 260755830), (3, 173837220), (4, 130377915), (5, 104302332), (6, 86918610), (9, 57945740), (10, 52151166), (12, 43459305), (15, 34767444), (18, 28972870), (20, 26075583), (23, 22674420), (30, 17383722), (36, 14486435), (45, 11589148), (46, 11337210), (60, 8691861), (69, 7558140), (90, 5794574), (92, 5668605), (103, 5063220), (115, 4534884), (138, 3779070), (180, 2897287), (206, 2531610), (207, 2519380), (230, 2267442), (276, 1889535), (309, 1687740), (345, 1511628), (412, 1265805), (414, 1259690), (460, 1133721), (515, 1012644), (618, 843870), (690, 755814), (828, 629845), (927, 562580), (1030, 506322), (1035, 503876), (1223, 426420), (1236, 421935), (1380, 377907), (1545, 337548), (1854, 281290), (2060, 253161), (2070, 251938), (2369, 220140), (2446, 213210), (3090, 168774), (3669, 142140), (3708, 140645), (4140, 125969), (4635, 112516), (4738, 110070), (4892, 106605), (6115, 85284), (6180, 84387), (7107, 73380), (7338, 71070), (9270, 56258), (9476, 55035), (11007, 47380), (11845, 44028), (12230, 42642), (14214, 36690), (14676, 35535), (18345, 28428), (18540, 28129), (21321, 24460), (22014, 23690)]