157820320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 455051520

約数和(自身を除く): 297231200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 43, 56, 58, 70, 80, 86, 112, 113, 116, 140, 145, 160, 172, 203, 215, 224, 226, 232, 280, 290, 301, 344, 406, 430, 452, 464, 560, 565, 580, 602, 688, 791, 812, 860, 904, 928, 1015, 1120, 1130, 1160, 1204, 1247, 1376, 1505, 1582, 1624, 1720, 1808, 2030, 2260, 2320, 2408, 2494, 3010, 3164, 3248, 3277, 3440, 3616, 3955, 4060, 4520, 4640, 4816, 4859, 4988, 6020, 6235, 6328, 6496, 6554, 6880, 7910, 8120, 8729, 9040, 9632, 9718, 9976, 12040, 12470, 12656, 13108, 15820, 16240, 16385, 17458, 18080, 19436, 19952, 22939, 24080, 24295, 24940, 25312, 26216, 31640, 32480, 32770, 34013, 34916, 38872, 39904, 43645, 45878, 48160, 48590, 49880, 52432, 63280, 65540, 68026, 69832, 77744, 87290, 91756, 97180, 99760, 104864, 114695, 126560, 131080, 136052, 139664, 140911, 155488, 170065, 174580, 183512, 194360, 199520, 229390, 262160, 272104, 279328, 281822, 340130, 349160, 367024, 388720, 458780, 524320, 544208, 563644, 680260, 698320, 704555, 734048, 777440, 917560, 986377, 1088416, 1127288, 1360520, 1396640, 1409110, 1835120, 1972754, 2254576, 2721040, 2818220, 3670240, 3945508, 4509152, 4931885, 5442080, 5636440, 7891016, 9863770, 11272880, 15782032, 19727540, 22545760, 31564064, 39455080, 78910160, 157820320]

約数ペア:

[(1, 157820320), (2, 78910160), (4, 39455080), (5, 31564064), (7, 22545760), (8, 19727540), (10, 15782032), (14, 11272880), (16, 9863770), (20, 7891016), (28, 5636440), (29, 5442080), (32, 4931885), (35, 4509152), (40, 3945508), (43, 3670240), (56, 2818220), (58, 2721040), (70, 2254576), (80, 1972754), (86, 1835120), (112, 1409110), (113, 1396640), (116, 1360520), (140, 1127288), (145, 1088416), (160, 986377), (172, 917560), (203, 777440), (215, 734048), (224, 704555), (226, 698320), (232, 680260), (280, 563644), (290, 544208), (301, 524320), (344, 458780), (406, 388720), (430, 367024), (452, 349160), (464, 340130), (560, 281822), (565, 279328), (580, 272104), (602, 262160), (688, 229390), (791, 199520), (812, 194360), (860, 183512), (904, 174580), (928, 170065), (1015, 155488), (1120, 140911), (1130, 139664), (1160, 136052), (1204, 131080), (1247, 126560), (1376, 114695), (1505, 104864), (1582, 99760), (1624, 97180), (1720, 91756), (1808, 87290), (2030, 77744), (2260, 69832), (2320, 68026), (2408, 65540), (2494, 63280), (3010, 52432), (3164, 49880), (3248, 48590), (3277, 48160), (3440, 45878), (3616, 43645), (3955, 39904), (4060, 38872), (4520, 34916), (4640, 34013), (4816, 32770), (4859, 32480), (4988, 31640), (6020, 26216), (6235, 25312), (6328, 24940), (6496, 24295), (6554, 24080), (6880, 22939), (7910, 19952), (8120, 19436), (8729, 18080), (9040, 17458), (9632, 16385), (9718, 16240), (9976, 15820), (12040, 13108), (12470, 12656)]