205125760

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 192

約数和(自身を含む): 591632640

約数和(自身を除く): 386506880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 211, 217, 224, 245, 248, 280, 310, 320, 392, 422, 434, 448, 490, 496, 560, 620, 640, 784, 844, 868, 896, 980, 992, 1055, 1085, 1120, 1240, 1477, 1519, 1568, 1688, 1736, 1960, 1984, 2110, 2170, 2240, 2480, 2954, 3038, 3136, 3376, 3472, 3920, 3968, 4220, 4340, 4480, 4960, 5908, 6076, 6272, 6541, 6752, 6944, 7385, 7595, 7840, 8440, 8680, 9920, 10339, 11816, 12152, 13082, 13504, 13888, 14770, 15190, 15680, 16880, 17360, 19840, 20678, 23632, 24304, 26164, 27008, 27776, 29540, 30380, 31360, 32705, 33760, 34720, 41356, 45787, 47264, 48608, 51695, 52328, 59080, 60760, 65410, 67520, 69440, 82712, 91574, 94528, 97216, 103390, 104656, 118160, 121520, 130820, 135040, 138880, 165424, 183148, 189056, 194432, 206780, 209312, 228935, 236320, 243040, 261640, 320509, 330848, 366296, 413560, 418624, 457870, 472640, 486080, 523280, 641018, 661696, 732592, 827120, 837248, 915740, 945280, 972160, 1046560, 1282036, 1323392, 1465184, 1602545, 1654240, 1831480, 2093120, 2564072, 2930368, 3205090, 3308480, 3662960, 4186240, 5128144, 5860736, 6410180, 6616960, 7325920, 10256288, 12820360, 14651840, 20512576, 25640720, 29303680, 41025152, 51281440, 102562880, 205125760]

約数ペア:

[(1, 205125760), (2, 102562880), (4, 51281440), (5, 41025152), (7, 29303680), (8, 25640720), (10, 20512576), (14, 14651840), (16, 12820360), (20, 10256288), (28, 7325920), (31, 6616960), (32, 6410180), (35, 5860736), (40, 5128144), (49, 4186240), (56, 3662960), (62, 3308480), (64, 3205090), (70, 2930368), (80, 2564072), (98, 2093120), (112, 1831480), (124, 1654240), (128, 1602545), (140, 1465184), (155, 1323392), (160, 1282036), (196, 1046560), (211, 972160), (217, 945280), (224, 915740), (245, 837248), (248, 827120), (280, 732592), (310, 661696), (320, 641018), (392, 523280), (422, 486080), (434, 472640), (448, 457870), (490, 418624), (496, 413560), (560, 366296), (620, 330848), (640, 320509), (784, 261640), (844, 243040), (868, 236320), (896, 228935), (980, 209312), (992, 206780), (1055, 194432), (1085, 189056), (1120, 183148), (1240, 165424), (1477, 138880), (1519, 135040), (1568, 130820), (1688, 121520), (1736, 118160), (1960, 104656), (1984, 103390), (2110, 97216), (2170, 94528), (2240, 91574), (2480, 82712), (2954, 69440), (3038, 67520), (3136, 65410), (3376, 60760), (3472, 59080), (3920, 52328), (3968, 51695), (4220, 48608), (4340, 47264), (4480, 45787), (4960, 41356), (5908, 34720), (6076, 33760), (6272, 32705), (6541, 31360), (6752, 30380), (6944, 29540), (7385, 27776), (7595, 27008), (7840, 26164), (8440, 24304), (8680, 23632), (9920, 20678), (10339, 19840), (11816, 17360), (12152, 16880), (13082, 15680), (13504, 15190), (13888, 14770)]