340256000

素因数分解:

$2^8\times 5^3\times 7^3\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 288

約数和(自身を含む): 1020364800

約数和(自身を除く): 680108800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 64, 70, 80, 98, 100, 112, 124, 125, 128, 140, 155, 160, 175, 196, 200, 217, 224, 245, 248, 250, 256, 280, 310, 320, 343, 350, 392, 400, 434, 448, 490, 496, 500, 560, 620, 640, 686, 700, 775, 784, 800, 868, 875, 896, 980, 992, 1000, 1085, 1120, 1225, 1240, 1280, 1372, 1400, 1519, 1550, 1568, 1600, 1715, 1736, 1750, 1792, 1960, 1984, 2000, 2170, 2240, 2450, 2480, 2744, 2800, 3038, 3100, 3136, 3200, 3430, 3472, 3500, 3875, 3920, 3968, 4000, 4340, 4480, 4900, 4960, 5425, 5488, 5600, 6076, 6125, 6200, 6272, 6400, 6860, 6944, 7000, 7595, 7750, 7840, 7936, 8000, 8575, 8680, 8960, 9800, 9920, 10633, 10850, 10976, 11200, 12152, 12250, 12400, 12544, 13720, 13888, 14000, 15190, 15500, 15680, 16000, 17150, 17360, 19600, 19840, 21266, 21700, 21952, 22400, 24304, 24500, 24800, 27125, 27440, 27776, 28000, 30380, 31000, 31360, 32000, 34300, 34720, 37975, 39200, 39680, 42532, 42875, 43400, 43904, 44800, 48608, 49000, 49600, 53165, 54250, 54880, 55552, 56000, 60760, 62000, 62720, 68600, 69440, 75950, 78400, 85064, 85750, 86800, 87808, 97216, 98000, 99200, 106330, 108500, 109760, 112000, 121520, 124000, 137200, 138880, 151900, 156800, 170128, 171500, 173600, 189875, 194432, 196000, 198400, 212660, 217000, 219520, 224000, 243040, 248000, 265825, 274400, 277760, 303800, 313600, 340256, 343000, 347200, 379750, 388864, 392000, 425320, 434000, 439040, 486080, 496000, 531650, 548800, 607600, 680512, 686000, 694400, 759500, 784000, 850640, 868000, 972160, 992000, 1063300, 1097600, 1215200, 1329125, 1361024, 1372000, 1388800, 1519000, 1568000, 1701280, 1736000, 1944320, 2126600, 2195200, 2430400, 2658250, 2722048, 2744000, 3038000, 3402560, 3472000, 4253200, 4860800, 5316500, 5488000, 6076000, 6805120, 6944000, 8506400, 9721600, 10633000, 10976000, 12152000, 13610240, 17012800, 21266000, 24304000, 34025600, 42532000, 48608000, 68051200, 85064000, 170128000, 340256000]

約数ペア:

[(1, 340256000), (2, 170128000), (4, 85064000), (5, 68051200), (7, 48608000), (8, 42532000), (10, 34025600), (14, 24304000), (16, 21266000), (20, 17012800), (25, 13610240), (28, 12152000), (31, 10976000), (32, 10633000), (35, 9721600), (40, 8506400), (49, 6944000), (50, 6805120), (56, 6076000), (62, 5488000), (64, 5316500), (70, 4860800), (80, 4253200), (98, 3472000), (100, 3402560), (112, 3038000), (124, 2744000), (125, 2722048), (128, 2658250), (140, 2430400), (155, 2195200), (160, 2126600), (175, 1944320), (196, 1736000), (200, 1701280), (217, 1568000), (224, 1519000), (245, 1388800), (248, 1372000), (250, 1361024), (256, 1329125), (280, 1215200), (310, 1097600), (320, 1063300), (343, 992000), (350, 972160), (392, 868000), (400, 850640), (434, 784000), (448, 759500), (490, 694400), (496, 686000), (500, 680512), (560, 607600), (620, 548800), (640, 531650), (686, 496000), (700, 486080), (775, 439040), (784, 434000), (800, 425320), (868, 392000), (875, 388864), (896, 379750), (980, 347200), (992, 343000), (1000, 340256), (1085, 313600), (1120, 303800), (1225, 277760), (1240, 274400), (1280, 265825), (1372, 248000), (1400, 243040), (1519, 224000), (1550, 219520), (1568, 217000), (1600, 212660), (1715, 198400), (1736, 196000), (1750, 194432), (1792, 189875), (1960, 173600), (1984, 171500), (2000, 170128), (2170, 156800), (2240, 151900), (2450, 138880), (2480, 137200), (2744, 124000), (2800, 121520), (3038, 112000), (3100, 109760), (3136, 108500), (3200, 106330), (3430, 99200), (3472, 98000), (3500, 97216), (3875, 87808), (3920, 86800), (3968, 85750), (4000, 85064), (4340, 78400), (4480, 75950), (4900, 69440), (4960, 68600), (5425, 62720), (5488, 62000), (5600, 60760), (6076, 56000), (6125, 55552), (6200, 54880), (6272, 54250), (6400, 53165), (6860, 49600), (6944, 49000), (7000, 48608), (7595, 44800), (7750, 43904), (7840, 43400), (7936, 42875), (8000, 42532), (8575, 39680), (8680, 39200), (8960, 37975), (9800, 34720), (9920, 34300), (10633, 32000), (10850, 31360), (10976, 31000), (11200, 30380), (12152, 28000), (12250, 27776), (12400, 27440), (12544, 27125), (13720, 24800), (13888, 24500), (14000, 24304), (15190, 22400), (15500, 21952), (15680, 21700), (16000, 21266), (17150, 19840), (17360, 19600)]