20786090080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{36319}}^1$

素因数の和:36421

約数の個数: 144

約数和(自身を含む): 57908753280

約数和(自身を除く): 37122663200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 245, 280, 292, 365, 392, 490, 511, 560, 584, 730, 784, 980, 1022, 1120, 1168, 1460, 1568, 1960, 2044, 2336, 2555, 2920, 3577, 3920, 4088, 5110, 5840, 7154, 7840, 8176, 10220, 11680, 14308, 16352, 17885, 20440, 28616, 35770, 36319, 40880, 57232, 71540, 72638, 81760, 114464, 143080, 145276, 181595, 254233, 286160, 290552, 363190, 508466, 572320, 581104, 726380, 1016932, 1162208, 1271165, 1452760, 1779631, 2033864, 2542330, 2651287, 2905520, 3559262, 4067728, 5084660, 5302574, 5811040, 7118524, 8135456, 8898155, 10169320, 10605148, 13256435, 14237048, 17796310, 18559009, 20338640, 21210296, 26512870, 28474096, 35592620, 37118018, 40677280, 42420592, 53025740, 56948192, 71185240, 74236036, 84841184, 92795045, 106051480, 129913063, 142370480, 148472072, 185590090, 212102960, 259826126, 284740960, 296944144, 371180180, 424205920, 519652252, 593888288, 649565315, 742360360, 1039304504, 1299130630, 1484720720, 2078609008, 2598261260, 2969441440, 4157218016, 5196522520, 10393045040, 20786090080]

約数ペア:

[(1, 20786090080), (2, 10393045040), (4, 5196522520), (5, 4157218016), (7, 2969441440), (8, 2598261260), (10, 2078609008), (14, 1484720720), (16, 1299130630), (20, 1039304504), (28, 742360360), (32, 649565315), (35, 593888288), (40, 519652252), (49, 424205920), (56, 371180180), (70, 296944144), (73, 284740960), (80, 259826126), (98, 212102960), (112, 185590090), (140, 148472072), (146, 142370480), (160, 129913063), (196, 106051480), (224, 92795045), (245, 84841184), (280, 74236036), (292, 71185240), (365, 56948192), (392, 53025740), (490, 42420592), (511, 40677280), (560, 37118018), (584, 35592620), (730, 28474096), (784, 26512870), (980, 21210296), (1022, 20338640), (1120, 18559009), (1168, 17796310), (1460, 14237048), (1568, 13256435), (1960, 10605148), (2044, 10169320), (2336, 8898155), (2555, 8135456), (2920, 7118524), (3577, 5811040), (3920, 5302574), (4088, 5084660), (5110, 4067728), (5840, 3559262), (7154, 2905520), (7840, 2651287), (8176, 2542330), (10220, 2033864), (11680, 1779631), (14308, 1452760), (16352, 1271165), (17885, 1162208), (20440, 1016932), (28616, 726380), (35770, 581104), (36319, 572320), (40880, 508466), (57232, 363190), (71540, 290552), (72638, 286160), (81760, 254233), (114464, 181595), (143080, 145276)]