156772840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 427680000

約数和(自身を除く): 270907160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 43, 56, 58, 70, 86, 116, 140, 145, 172, 203, 215, 232, 280, 290, 301, 344, 406, 430, 449, 580, 602, 812, 860, 898, 1015, 1160, 1204, 1247, 1505, 1624, 1720, 1796, 2030, 2245, 2408, 2494, 3010, 3143, 3592, 4060, 4490, 4988, 6020, 6235, 6286, 8120, 8729, 8980, 9976, 12040, 12470, 12572, 13021, 15715, 17458, 17960, 19307, 24940, 25144, 26042, 31430, 34916, 38614, 43645, 49880, 52084, 62860, 65105, 69832, 77228, 87290, 91147, 96535, 104168, 125720, 130210, 135149, 154456, 174580, 182294, 193070, 260420, 270298, 349160, 364588, 386140, 455735, 520840, 540596, 559903, 675745, 729176, 772280, 911470, 1081192, 1119806, 1351490, 1822940, 2239612, 2702980, 2799515, 3645880, 3919321, 4479224, 5405960, 5599030, 7838642, 11198060, 15677284, 19596605, 22396120, 31354568, 39193210, 78386420, 156772840]

約数ペア:

[(1, 156772840), (2, 78386420), (4, 39193210), (5, 31354568), (7, 22396120), (8, 19596605), (10, 15677284), (14, 11198060), (20, 7838642), (28, 5599030), (29, 5405960), (35, 4479224), (40, 3919321), (43, 3645880), (56, 2799515), (58, 2702980), (70, 2239612), (86, 1822940), (116, 1351490), (140, 1119806), (145, 1081192), (172, 911470), (203, 772280), (215, 729176), (232, 675745), (280, 559903), (290, 540596), (301, 520840), (344, 455735), (406, 386140), (430, 364588), (449, 349160), (580, 270298), (602, 260420), (812, 193070), (860, 182294), (898, 174580), (1015, 154456), (1160, 135149), (1204, 130210), (1247, 125720), (1505, 104168), (1624, 96535), (1720, 91147), (1796, 87290), (2030, 77228), (2245, 69832), (2408, 65105), (2494, 62860), (3010, 52084), (3143, 49880), (3592, 43645), (4060, 38614), (4490, 34916), (4988, 31430), (6020, 26042), (6235, 25144), (6286, 24940), (8120, 19307), (8729, 17960), (8980, 17458), (9976, 15715), (12040, 13021), (12470, 12572)]