211020720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 683956224

約数和(自身を除く): 472935504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 113, 120, 124, 155, 186, 226, 240, 248, 251, 310, 339, 372, 452, 465, 496, 502, 565, 620, 678, 744, 753, 904, 930, 1004, 1130, 1240, 1255, 1356, 1488, 1506, 1695, 1808, 1860, 2008, 2260, 2480, 2510, 2712, 3012, 3390, 3503, 3720, 3765, 4016, 4520, 5020, 5424, 6024, 6780, 7006, 7440, 7530, 7781, 9040, 10040, 10509, 12048, 13560, 14012, 15060, 15562, 17515, 20080, 21018, 23343, 27120, 28024, 28363, 30120, 31124, 35030, 38905, 42036, 46686, 52545, 56048, 56726, 60240, 62248, 70060, 77810, 84072, 85089, 93372, 105090, 113452, 116715, 124496, 140120, 141815, 155620, 168144, 170178, 186744, 210180, 226904, 233430, 280240, 283630, 311240, 340356, 373488, 420360, 425445, 453808, 466860, 567260, 622480, 680712, 840720, 850890, 879253, 933720, 1134520, 1361424, 1701780, 1758506, 1867440, 2269040, 2637759, 3403560, 3517012, 4396265, 5275518, 6807120, 7034024, 8792530, 10551036, 13188795, 14068048, 17585060, 21102072, 26377590, 35170120, 42204144, 52755180, 70340240, 105510360, 211020720]

約数ペア:

[(1, 211020720), (2, 105510360), (3, 70340240), (4, 52755180), (5, 42204144), (6, 35170120), (8, 26377590), (10, 21102072), (12, 17585060), (15, 14068048), (16, 13188795), (20, 10551036), (24, 8792530), (30, 7034024), (31, 6807120), (40, 5275518), (48, 4396265), (60, 3517012), (62, 3403560), (80, 2637759), (93, 2269040), (113, 1867440), (120, 1758506), (124, 1701780), (155, 1361424), (186, 1134520), (226, 933720), (240, 879253), (248, 850890), (251, 840720), (310, 680712), (339, 622480), (372, 567260), (452, 466860), (465, 453808), (496, 425445), (502, 420360), (565, 373488), (620, 340356), (678, 311240), (744, 283630), (753, 280240), (904, 233430), (930, 226904), (1004, 210180), (1130, 186744), (1240, 170178), (1255, 168144), (1356, 155620), (1488, 141815), (1506, 140120), (1695, 124496), (1808, 116715), (1860, 113452), (2008, 105090), (2260, 93372), (2480, 85089), (2510, 84072), (2712, 77810), (3012, 70060), (3390, 62248), (3503, 60240), (3720, 56726), (3765, 56048), (4016, 52545), (4520, 46686), (5020, 42036), (5424, 38905), (6024, 35030), (6780, 31124), (7006, 30120), (7440, 28363), (7530, 28024), (7781, 27120), (9040, 23343), (10040, 21018), (10509, 20080), (12048, 17515), (13560, 15562), (14012, 15060)]