3987840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 13317120

約数和(自身を除く): 9329280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 67, 80, 93, 96, 120, 124, 128, 134, 155, 160, 186, 192, 201, 240, 248, 268, 310, 320, 335, 372, 384, 402, 465, 480, 496, 536, 620, 640, 670, 744, 804, 930, 960, 992, 1005, 1072, 1240, 1340, 1488, 1608, 1860, 1920, 1984, 2010, 2077, 2144, 2480, 2680, 2976, 3216, 3720, 3968, 4020, 4154, 4288, 4960, 5360, 5952, 6231, 6432, 7440, 8040, 8308, 8576, 9920, 10385, 10720, 11904, 12462, 12864, 14880, 16080, 16616, 19840, 20770, 21440, 24924, 25728, 29760, 31155, 32160, 33232, 41540, 42880, 49848, 59520, 62310, 64320, 66464, 83080, 99696, 124620, 128640, 132928, 166160, 199392, 249240, 265856, 332320, 398784, 498480, 664640, 797568, 996960, 1329280, 1993920, 3987840]

約数ペア:

[(1, 3987840), (2, 1993920), (3, 1329280), (4, 996960), (5, 797568), (6, 664640), (8, 498480), (10, 398784), (12, 332320), (15, 265856), (16, 249240), (20, 199392), (24, 166160), (30, 132928), (31, 128640), (32, 124620), (40, 99696), (48, 83080), (60, 66464), (62, 64320), (64, 62310), (67, 59520), (80, 49848), (93, 42880), (96, 41540), (120, 33232), (124, 32160), (128, 31155), (134, 29760), (155, 25728), (160, 24924), (186, 21440), (192, 20770), (201, 19840), (240, 16616), (248, 16080), (268, 14880), (310, 12864), (320, 12462), (335, 11904), (372, 10720), (384, 10385), (402, 9920), (465, 8576), (480, 8308), (496, 8040), (536, 7440), (620, 6432), (640, 6231), (670, 5952), (744, 5360), (804, 4960), (930, 4288), (960, 4154), (992, 4020), (1005, 3968), (1072, 3720), (1240, 3216), (1340, 2976), (1488, 2680), (1608, 2480), (1860, 2144), (1920, 2077), (1984, 2010)]