19939200

素因数分解:

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

素因数の和:125

約数の個数: 192

約数和(自身を含む): 68805120

約数和(自身を除く): 48865920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 67, 75, 80, 93, 96, 100, 120, 124, 128, 134, 150, 155, 160, 186, 192, 200, 201, 240, 248, 268, 300, 310, 320, 335, 372, 384, 400, 402, 465, 480, 496, 536, 600, 620, 640, 670, 744, 775, 800, 804, 930, 960, 992, 1005, 1072, 1200, 1240, 1340, 1488, 1550, 1600, 1608, 1675, 1860, 1920, 1984, 2010, 2077, 2144, 2325, 2400, 2480, 2680, 2976, 3100, 3200, 3216, 3350, 3720, 3968, 4020, 4154, 4288, 4650, 4800, 4960, 5025, 5360, 5952, 6200, 6231, 6432, 6700, 7440, 8040, 8308, 8576, 9300, 9600, 9920, 10050, 10385, 10720, 11904, 12400, 12462, 12864, 13400, 14880, 16080, 16616, 18600, 19840, 20100, 20770, 21440, 24800, 24924, 25728, 26800, 29760, 31155, 32160, 33232, 37200, 40200, 41540, 42880, 49600, 49848, 51925, 53600, 59520, 62310, 64320, 66464, 74400, 80400, 83080, 99200, 99696, 103850, 107200, 124620, 128640, 132928, 148800, 155775, 160800, 166160, 199392, 207700, 214400, 249240, 265856, 297600, 311550, 321600, 332320, 398784, 415400, 498480, 623100, 643200, 664640, 797568, 830800, 996960, 1246200, 1329280, 1661600, 1993920, 2492400, 3323200, 3987840, 4984800, 6646400, 9969600, 19939200]

約数ペア:

[(1, 19939200), (2, 9969600), (3, 6646400), (4, 4984800), (5, 3987840), (6, 3323200), (8, 2492400), (10, 1993920), (12, 1661600), (15, 1329280), (16, 1246200), (20, 996960), (24, 830800), (25, 797568), (30, 664640), (31, 643200), (32, 623100), (40, 498480), (48, 415400), (50, 398784), (60, 332320), (62, 321600), (64, 311550), (67, 297600), (75, 265856), (80, 249240), (93, 214400), (96, 207700), (100, 199392), (120, 166160), (124, 160800), (128, 155775), (134, 148800), (150, 132928), (155, 128640), (160, 124620), (186, 107200), (192, 103850), (200, 99696), (201, 99200), (240, 83080), (248, 80400), (268, 74400), (300, 66464), (310, 64320), (320, 62310), (335, 59520), (372, 53600), (384, 51925), (400, 49848), (402, 49600), (465, 42880), (480, 41540), (496, 40200), (536, 37200), (600, 33232), (620, 32160), (640, 31155), (670, 29760), (744, 26800), (775, 25728), (800, 24924), (804, 24800), (930, 21440), (960, 20770), (992, 20100), (1005, 19840), (1072, 18600), (1200, 16616), (1240, 16080), (1340, 14880), (1488, 13400), (1550, 12864), (1600, 12462), (1608, 12400), (1675, 11904), (1860, 10720), (1920, 10385), (1984, 10050), (2010, 9920), (2077, 9600), (2144, 9300), (2325, 8576), (2400, 8308), (2480, 8040), (2680, 7440), (2976, 6700), (3100, 6432), (3200, 6231), (3216, 6200), (3350, 5952), (3720, 5360), (3968, 5025), (4020, 4960), (4154, 4800), (4288, 4650)]