621348840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{82189}}^1$

素因数の和:82216

約数の個数: 128

約数和(自身を含む): 2367072000

約数和(自身を除く): 1745723160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 82189, 164378, 246567, 328756, 410945, 493134, 575323, 657512, 739701, 821890, 986268, 1150646, 1232835, 1479402, 1643780, 1725969, 1972536, 2219103, 2301292, 2465670, 2876615, 2958804, 3287560, 3451938, 3698505, 4438206, 4602584, 4931340, 5177907, 5753230, 5917608, 6903876, 7397010, 8629845, 8876412, 9862680, 10355814, 11095515, 11506460, 13807752, 14794020, 15533721, 17259690, 17752824, 20711628, 22191030, 23012920, 25889535, 29588040, 31067442, 34519380, 41423256, 44382060, 51779070, 62134884, 69038760, 77668605, 88764120, 103558140, 124269768, 155337210, 207116280, 310674420, 621348840]

約数ペア:

[(1, 621348840), (2, 310674420), (3, 207116280), (4, 155337210), (5, 124269768), (6, 103558140), (7, 88764120), (8, 77668605), (9, 69038760), (10, 62134884), (12, 51779070), (14, 44382060), (15, 41423256), (18, 34519380), (20, 31067442), (21, 29588040), (24, 25889535), (27, 23012920), (28, 22191030), (30, 20711628), (35, 17752824), (36, 17259690), (40, 15533721), (42, 14794020), (45, 13807752), (54, 11506460), (56, 11095515), (60, 10355814), (63, 9862680), (70, 8876412), (72, 8629845), (84, 7397010), (90, 6903876), (105, 5917608), (108, 5753230), (120, 5177907), (126, 4931340), (135, 4602584), (140, 4438206), (168, 3698505), (180, 3451938), (189, 3287560), (210, 2958804), (216, 2876615), (252, 2465670), (270, 2301292), (280, 2219103), (315, 1972536), (360, 1725969), (378, 1643780), (420, 1479402), (504, 1232835), (540, 1150646), (630, 986268), (756, 821890), (840, 739701), (945, 657512), (1080, 575323), (1260, 493134), (1512, 410945), (1890, 328756), (2520, 246567), (3780, 164378), (7560, 82189)]