51264780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 192

約数和(自身を含む): 174182400

約数和(自身を除く): 122917620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 53, 60, 70, 84, 94, 98, 105, 106, 140, 141, 147, 159, 188, 196, 210, 212, 235, 245, 265, 282, 294, 318, 329, 343, 371, 420, 470, 490, 530, 564, 588, 636, 658, 686, 705, 735, 742, 795, 940, 980, 987, 1029, 1060, 1113, 1316, 1372, 1410, 1470, 1484, 1590, 1645, 1715, 1855, 1974, 2058, 2226, 2303, 2491, 2597, 2820, 2940, 3180, 3290, 3430, 3710, 3948, 4116, 4452, 4606, 4935, 4982, 5145, 5194, 5565, 6580, 6860, 6909, 7420, 7473, 7791, 9212, 9870, 9964, 10290, 10388, 11130, 11515, 12455, 12985, 13818, 14946, 15582, 16121, 17437, 18179, 19740, 20580, 22260, 23030, 24910, 25970, 27636, 29892, 31164, 32242, 34545, 34874, 36358, 37365, 38955, 46060, 48363, 49820, 51940, 52311, 54537, 64484, 69090, 69748, 72716, 74730, 77910, 80605, 87185, 90895, 96726, 104622, 109074, 122059, 138180, 149460, 155820, 161210, 174370, 181790, 193452, 209244, 218148, 241815, 244118, 261555, 272685, 322420, 348740, 363580, 366177, 483630, 488236, 523110, 545370, 610295, 732354, 854413, 967260, 1046220, 1090740, 1220590, 1464708, 1708826, 1830885, 2441180, 2563239, 3417652, 3661770, 4272065, 5126478, 7323540, 8544130, 10252956, 12816195, 17088260, 25632390, 51264780]

約数ペア:

[(1, 51264780), (2, 25632390), (3, 17088260), (4, 12816195), (5, 10252956), (6, 8544130), (7, 7323540), (10, 5126478), (12, 4272065), (14, 3661770), (15, 3417652), (20, 2563239), (21, 2441180), (28, 1830885), (30, 1708826), (35, 1464708), (42, 1220590), (47, 1090740), (49, 1046220), (53, 967260), (60, 854413), (70, 732354), (84, 610295), (94, 545370), (98, 523110), (105, 488236), (106, 483630), (140, 366177), (141, 363580), (147, 348740), (159, 322420), (188, 272685), (196, 261555), (210, 244118), (212, 241815), (235, 218148), (245, 209244), (265, 193452), (282, 181790), (294, 174370), (318, 161210), (329, 155820), (343, 149460), (371, 138180), (420, 122059), (470, 109074), (490, 104622), (530, 96726), (564, 90895), (588, 87185), (636, 80605), (658, 77910), (686, 74730), (705, 72716), (735, 69748), (742, 69090), (795, 64484), (940, 54537), (980, 52311), (987, 51940), (1029, 49820), (1060, 48363), (1113, 46060), (1316, 38955), (1372, 37365), (1410, 36358), (1470, 34874), (1484, 34545), (1590, 32242), (1645, 31164), (1715, 29892), (1855, 27636), (1974, 25970), (2058, 24910), (2226, 23030), (2303, 22260), (2491, 20580), (2597, 19740), (2820, 18179), (2940, 17437), (3180, 16121), (3290, 15582), (3430, 14946), (3710, 13818), (3948, 12985), (4116, 12455), (4452, 11515), (4606, 11130), (4935, 10388), (4982, 10290), (5145, 9964), (5194, 9870), (5565, 9212), (6580, 7791), (6860, 7473), (6909, 7420)]