1981105280

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5743}}^1$

素因数の和:5787

約数の個数: 192

約数和(自身を含む): 6011210880

約数和(自身を除く): 4030105600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 640, 704, 770, 784, 880, 896, 980, 1078, 1120, 1232, 1408, 1540, 1568, 1760, 1960, 2156, 2240, 2464, 2695, 3080, 3136, 3520, 3920, 4312, 4480, 4928, 5390, 5743, 6160, 6272, 7040, 7840, 8624, 9856, 10780, 11486, 12320, 15680, 17248, 21560, 22972, 24640, 28715, 31360, 34496, 40201, 43120, 45944, 49280, 57430, 63173, 68992, 80402, 86240, 91888, 114860, 126346, 160804, 172480, 183776, 201005, 229720, 252692, 281407, 315865, 321608, 344960, 367552, 402010, 442211, 459440, 505384, 562814, 631730, 643216, 735104, 804020, 884422, 918880, 1010768, 1125628, 1263460, 1286432, 1407035, 1608040, 1768844, 1837760, 2021536, 2211055, 2251256, 2526920, 2572864, 2814070, 3095477, 3216080, 3537688, 3675520, 4043072, 4422110, 4502512, 5053840, 5145728, 5628140, 6190954, 6432160, 7075376, 8086144, 8844220, 9005024, 10107680, 11256280, 12381908, 12864320, 14150752, 15477385, 17688440, 18010048, 20215360, 22512560, 24763816, 25728640, 28301504, 30954770, 35376880, 36020096, 40430720, 45025120, 49527632, 56603008, 61909540, 70753760, 90050240, 99055264, 123819080, 141507520, 180100480, 198110528, 247638160, 283015040, 396221056, 495276320, 990552640, 1981105280]

約数ペア:

[(1, 1981105280), (2, 990552640), (4, 495276320), (5, 396221056), (7, 283015040), (8, 247638160), (10, 198110528), (11, 180100480), (14, 141507520), (16, 123819080), (20, 99055264), (22, 90050240), (28, 70753760), (32, 61909540), (35, 56603008), (40, 49527632), (44, 45025120), (49, 40430720), (55, 36020096), (56, 35376880), (64, 30954770), (70, 28301504), (77, 25728640), (80, 24763816), (88, 22512560), (98, 20215360), (110, 18010048), (112, 17688440), (128, 15477385), (140, 14150752), (154, 12864320), (160, 12381908), (176, 11256280), (196, 10107680), (220, 9005024), (224, 8844220), (245, 8086144), (280, 7075376), (308, 6432160), (320, 6190954), (352, 5628140), (385, 5145728), (392, 5053840), (440, 4502512), (448, 4422110), (490, 4043072), (539, 3675520), (560, 3537688), (616, 3216080), (640, 3095477), (704, 2814070), (770, 2572864), (784, 2526920), (880, 2251256), (896, 2211055), (980, 2021536), (1078, 1837760), (1120, 1768844), (1232, 1608040), (1408, 1407035), (1540, 1286432), (1568, 1263460), (1760, 1125628), (1960, 1010768), (2156, 918880), (2240, 884422), (2464, 804020), (2695, 735104), (3080, 643216), (3136, 631730), (3520, 562814), (3920, 505384), (4312, 459440), (4480, 442211), (4928, 402010), (5390, 367552), (5743, 344960), (6160, 321608), (6272, 315865), (7040, 281407), (7840, 252692), (8624, 229720), (9856, 201005), (10780, 183776), (11486, 172480), (12320, 160804), (15680, 126346), (17248, 114860), (21560, 91888), (22972, 86240), (24640, 80402), (28715, 68992), (31360, 63173), (34496, 57430), (40201, 49280), (43120, 45944)]