1215200000

素因数分解:

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

素因数の和:86

約数の個数: 324

約数和(自身を含む): 3640641984

約数和(自身を除く): 2425441984

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, 350, 392, 400, 434, 448, 490, 496, 500, 560, 620, 625, 640, 700, 775, 784, 800, 868, 875, 896, 980, 992, 1000, 1085, 1120, 1225, 1240, 1250, 1280, 1400, 1519, 1550, 1568, 1600, 1736, 1750, 1792, 1960, 1984, 2000, 2170, 2240, 2450, 2480, 2500, 2800, 3038, 3100, 3125, 3136, 3200, 3472, 3500, 3875, 3920, 3968, 4000, 4340, 4375, 4480, 4900, 4960, 5000, 5425, 5600, 6076, 6125, 6200, 6250, 6272, 6400, 6944, 7000, 7595, 7750, 7840, 7936, 8000, 8680, 8750, 8960, 9800, 9920, 10000, 10850, 11200, 12152, 12250, 12400, 12500, 12544, 13888, 14000, 15190, 15500, 15680, 16000, 17360, 17500, 19375, 19600, 19840, 20000, 21700, 21875, 22400, 24304, 24500, 24800, 25000, 27125, 27776, 28000, 30380, 30625, 31000, 31360, 32000, 34720, 35000, 37975, 38750, 39200, 39680, 40000, 43400, 43750, 44800, 48608, 49000, 49600, 50000, 54250, 55552, 56000, 60760, 61250, 62000, 62720, 69440, 70000, 75950, 77500, 78400, 80000, 86800, 87500, 96875, 97216, 98000, 99200, 100000, 108500, 112000, 121520, 122500, 124000, 135625, 138880, 140000, 151900, 153125, 155000, 156800, 160000, 173600, 175000, 189875, 193750, 194432, 196000, 198400, 200000, 217000, 224000, 243040, 245000, 248000, 271250, 277760, 280000, 303800, 306250, 310000, 313600, 347200, 350000, 379750, 387500, 388864, 392000, 400000, 434000, 486080, 490000, 496000, 542500, 560000, 607600, 612500, 620000, 678125, 694400, 700000, 759500, 775000, 784000, 800000, 868000, 949375, 972160, 980000, 992000, 1085000, 1120000, 1215200, 1225000, 1240000, 1356250, 1388800, 1400000, 1519000, 1550000, 1568000, 1736000, 1898750, 1944320, 1960000, 2170000, 2430400, 2450000, 2480000, 2712500, 2800000, 3038000, 3100000, 3472000, 3797500, 3920000, 4340000, 4746875, 4860800, 4900000, 4960000, 5425000, 5600000, 6076000, 6200000, 6944000, 7595000, 7840000, 8680000, 9493750, 9721600, 9800000, 10850000, 12152000, 12400000, 15190000, 17360000, 18987500, 19600000, 21700000, 24304000, 24800000, 30380000, 34720000, 37975000, 39200000, 43400000, 48608000, 60760000, 75950000, 86800000, 121520000, 151900000, 173600000, 243040000, 303800000, 607600000, 1215200000]

約数ペア:

[(1, 1215200000), (2, 607600000), (4, 303800000), (5, 243040000), (7, 173600000), (8, 151900000), (10, 121520000), (14, 86800000), (16, 75950000), (20, 60760000), (25, 48608000), (28, 43400000), (31, 39200000), (32, 37975000), (35, 34720000), (40, 30380000), (49, 24800000), (50, 24304000), (56, 21700000), (62, 19600000), (64, 18987500), (70, 17360000), (80, 15190000), (98, 12400000), (100, 12152000), (112, 10850000), (124, 9800000), (125, 9721600), (128, 9493750), (140, 8680000), (155, 7840000), (160, 7595000), (175, 6944000), (196, 6200000), (200, 6076000), (217, 5600000), (224, 5425000), (245, 4960000), (248, 4900000), (250, 4860800), (256, 4746875), (280, 4340000), (310, 3920000), (320, 3797500), (350, 3472000), (392, 3100000), (400, 3038000), (434, 2800000), (448, 2712500), (490, 2480000), (496, 2450000), (500, 2430400), (560, 2170000), (620, 1960000), (625, 1944320), (640, 1898750), (700, 1736000), (775, 1568000), (784, 1550000), (800, 1519000), (868, 1400000), (875, 1388800), (896, 1356250), (980, 1240000), (992, 1225000), (1000, 1215200), (1085, 1120000), (1120, 1085000), (1225, 992000), (1240, 980000), (1250, 972160), (1280, 949375), (1400, 868000), (1519, 800000), (1550, 784000), (1568, 775000), (1600, 759500), (1736, 700000), (1750, 694400), (1792, 678125), (1960, 620000), (1984, 612500), (2000, 607600), (2170, 560000), (2240, 542500), (2450, 496000), (2480, 490000), (2500, 486080), (2800, 434000), (3038, 400000), (3100, 392000), (3125, 388864), (3136, 387500), (3200, 379750), (3472, 350000), (3500, 347200), (3875, 313600), (3920, 310000), (3968, 306250), (4000, 303800), (4340, 280000), (4375, 277760), (4480, 271250), (4900, 248000), (4960, 245000), (5000, 243040), (5425, 224000), (5600, 217000), (6076, 200000), (6125, 198400), (6200, 196000), (6250, 194432), (6272, 193750), (6400, 189875), (6944, 175000), (7000, 173600), (7595, 160000), (7750, 156800), (7840, 155000), (7936, 153125), (8000, 151900), (8680, 140000), (8750, 138880), (8960, 135625), (9800, 124000), (9920, 122500), (10000, 121520), (10850, 112000), (11200, 108500), (12152, 100000), (12250, 99200), (12400, 98000), (12500, 97216), (12544, 96875), (13888, 87500), (14000, 86800), (15190, 80000), (15500, 78400), (15680, 77500), (16000, 75950), (17360, 70000), (17500, 69440), (19375, 62720), (19600, 62000), (19840, 61250), (20000, 60760), (21700, 56000), (21875, 55552), (22400, 54250), (24304, 50000), (24500, 49600), (24800, 49000), (25000, 48608), (27125, 44800), (27776, 43750), (28000, 43400), (30380, 40000), (30625, 39680), (31000, 39200), (31360, 38750), (32000, 37975), (34720, 35000)]