78910160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 223914240

約数和(自身を除く): 145004080

約数列:

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

約数ペア:

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