312775120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:513

約数の個数: 160

約数和(自身を含む): 879943680

約数和(自身を除く): 567168560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 56, 62, 70, 80, 86, 112, 124, 140, 155, 172, 215, 217, 248, 280, 301, 310, 344, 419, 430, 434, 496, 560, 602, 620, 688, 838, 860, 868, 1085, 1204, 1240, 1333, 1505, 1676, 1720, 1736, 2095, 2170, 2408, 2480, 2666, 2933, 3010, 3352, 3440, 3472, 4190, 4340, 4816, 5332, 5866, 6020, 6665, 6704, 8380, 8680, 9331, 10664, 11732, 12040, 12989, 13330, 14665, 16760, 17360, 18017, 18662, 21328, 23464, 24080, 25978, 26660, 29330, 33520, 36034, 37324, 46655, 46928, 51956, 53320, 58660, 64945, 72068, 74648, 90085, 90923, 93310, 103912, 106640, 117320, 126119, 129890, 144136, 149296, 180170, 181846, 186620, 207824, 234640, 252238, 259780, 288272, 360340, 363692, 373240, 454615, 504476, 519560, 558527, 630595, 720680, 727384, 746480, 909230, 1008952, 1039120, 1117054, 1261190, 1441360, 1454768, 1818460, 2017904, 2234108, 2522380, 2792635, 3636920, 3909689, 4468216, 5044760, 5585270, 7273840, 7819378, 8936432, 10089520, 11170540, 15638756, 19548445, 22341080, 31277512, 39096890, 44682160, 62555024, 78193780, 156387560, 312775120]

約数ペア:

[(1, 312775120), (2, 156387560), (4, 78193780), (5, 62555024), (7, 44682160), (8, 39096890), (10, 31277512), (14, 22341080), (16, 19548445), (20, 15638756), (28, 11170540), (31, 10089520), (35, 8936432), (40, 7819378), (43, 7273840), (56, 5585270), (62, 5044760), (70, 4468216), (80, 3909689), (86, 3636920), (112, 2792635), (124, 2522380), (140, 2234108), (155, 2017904), (172, 1818460), (215, 1454768), (217, 1441360), (248, 1261190), (280, 1117054), (301, 1039120), (310, 1008952), (344, 909230), (419, 746480), (430, 727384), (434, 720680), (496, 630595), (560, 558527), (602, 519560), (620, 504476), (688, 454615), (838, 373240), (860, 363692), (868, 360340), (1085, 288272), (1204, 259780), (1240, 252238), (1333, 234640), (1505, 207824), (1676, 186620), (1720, 181846), (1736, 180170), (2095, 149296), (2170, 144136), (2408, 129890), (2480, 126119), (2666, 117320), (2933, 106640), (3010, 103912), (3352, 93310), (3440, 90923), (3472, 90085), (4190, 74648), (4340, 72068), (4816, 64945), (5332, 58660), (5866, 53320), (6020, 51956), (6665, 46928), (6704, 46655), (8380, 37324), (8680, 36034), (9331, 33520), (10664, 29330), (11732, 26660), (12040, 25978), (12989, 24080), (13330, 23464), (14665, 21328), (16760, 18662), (17360, 18017)]