39878400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 137880064

約数和(自身を除く): 98001664

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, 256, 268, 300, 310, 320, 335, 372, 384, 400, 402, 465, 480, 496, 536, 600, 620, 640, 670, 744, 768, 775, 800, 804, 930, 960, 992, 1005, 1072, 1200, 1240, 1280, 1340, 1488, 1550, 1600, 1608, 1675, 1860, 1920, 1984, 2010, 2077, 2144, 2325, 2400, 2480, 2680, 2976, 3100, 3200, 3216, 3350, 3720, 3840, 3968, 4020, 4154, 4288, 4650, 4800, 4960, 5025, 5360, 5952, 6200, 6231, 6400, 6432, 6700, 7440, 7936, 8040, 8308, 8576, 9300, 9600, 9920, 10050, 10385, 10720, 11904, 12400, 12462, 12864, 13400, 14880, 16080, 16616, 17152, 18600, 19200, 19840, 20100, 20770, 21440, 23808, 24800, 24924, 25728, 26800, 29760, 31155, 32160, 33232, 37200, 39680, 40200, 41540, 42880, 49600, 49848, 51456, 51925, 53600, 59520, 62310, 64320, 66464, 74400, 80400, 83080, 85760, 99200, 99696, 103850, 107200, 119040, 124620, 128640, 132928, 148800, 155775, 160800, 166160, 198400, 199392, 207700, 214400, 249240, 257280, 265856, 297600, 311550, 321600, 332320, 398784, 415400, 428800, 498480, 531712, 595200, 623100, 643200, 664640, 797568, 830800, 996960, 1246200, 1286400, 1329280, 1595136, 1661600, 1993920, 2492400, 2658560, 3323200, 3987840, 4984800, 6646400, 7975680, 9969600, 13292800, 19939200, 39878400]

約数ペア:

[(1, 39878400), (2, 19939200), (3, 13292800), (4, 9969600), (5, 7975680), (6, 6646400), (8, 4984800), (10, 3987840), (12, 3323200), (15, 2658560), (16, 2492400), (20, 1993920), (24, 1661600), (25, 1595136), (30, 1329280), (31, 1286400), (32, 1246200), (40, 996960), (48, 830800), (50, 797568), (60, 664640), (62, 643200), (64, 623100), (67, 595200), (75, 531712), (80, 498480), (93, 428800), (96, 415400), (100, 398784), (120, 332320), (124, 321600), (128, 311550), (134, 297600), (150, 265856), (155, 257280), (160, 249240), (186, 214400), (192, 207700), (200, 199392), (201, 198400), (240, 166160), (248, 160800), (256, 155775), (268, 148800), (300, 132928), (310, 128640), (320, 124620), (335, 119040), (372, 107200), (384, 103850), (400, 99696), (402, 99200), (465, 85760), (480, 83080), (496, 80400), (536, 74400), (600, 66464), (620, 64320), (640, 62310), (670, 59520), (744, 53600), (768, 51925), (775, 51456), (800, 49848), (804, 49600), (930, 42880), (960, 41540), (992, 40200), (1005, 39680), (1072, 37200), (1200, 33232), (1240, 32160), (1280, 31155), (1340, 29760), (1488, 26800), (1550, 25728), (1600, 24924), (1608, 24800), (1675, 23808), (1860, 21440), (1920, 20770), (1984, 20100), (2010, 19840), (2077, 19200), (2144, 18600), (2325, 17152), (2400, 16616), (2480, 16080), (2680, 14880), (2976, 13400), (3100, 12864), (3200, 12462), (3216, 12400), (3350, 11904), (3720, 10720), (3840, 10385), (3968, 10050), (4020, 9920), (4154, 9600), (4288, 9300), (4650, 8576), (4800, 8308), (4960, 8040), (5025, 7936), (5360, 7440), (5952, 6700), (6200, 6432), (6231, 6400)]