77213920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1064

約数の個数: 96

約数和(自身を含む): 211631616

約数和(自身を除く): 134417696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 971, 994, 1120, 1136, 1420, 1942, 1988, 2272, 2485, 2840, 3884, 3976, 4855, 4970, 5680, 6797, 7768, 7952, 9710, 9940, 11360, 13594, 15536, 15904, 19420, 19880, 27188, 31072, 33985, 38840, 39760, 54376, 67970, 68941, 77680, 79520, 108752, 135940, 137882, 155360, 217504, 271880, 275764, 344705, 482587, 543760, 551528, 689410, 965174, 1087520, 1103056, 1378820, 1930348, 2206112, 2412935, 2757640, 3860696, 4825870, 5515280, 7721392, 9651740, 11030560, 15442784, 19303480, 38606960, 77213920]

約数ペア:

[(1, 77213920), (2, 38606960), (4, 19303480), (5, 15442784), (7, 11030560), (8, 9651740), (10, 7721392), (14, 5515280), (16, 4825870), (20, 3860696), (28, 2757640), (32, 2412935), (35, 2206112), (40, 1930348), (56, 1378820), (70, 1103056), (71, 1087520), (80, 965174), (112, 689410), (140, 551528), (142, 543760), (160, 482587), (224, 344705), (280, 275764), (284, 271880), (355, 217504), (497, 155360), (560, 137882), (568, 135940), (710, 108752), (971, 79520), (994, 77680), (1120, 68941), (1136, 67970), (1420, 54376), (1942, 39760), (1988, 38840), (2272, 33985), (2485, 31072), (2840, 27188), (3884, 19880), (3976, 19420), (4855, 15904), (4970, 15536), (5680, 13594), (6797, 11360), (7768, 9940), (7952, 9710)]