78777920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:712

約数の個数: 112

約数和(自身を含む): 209306160

約数和(自身を除く): 130528240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 320, 377, 416, 464, 520, 580, 653, 754, 832, 928, 1040, 1160, 1306, 1508, 1856, 1885, 2080, 2320, 2612, 3016, 3265, 3770, 4160, 4640, 5224, 6032, 6530, 7540, 8489, 9280, 10448, 12064, 13060, 15080, 16978, 18937, 20896, 24128, 26120, 30160, 33956, 37874, 41792, 42445, 52240, 60320, 67912, 75748, 84890, 94685, 104480, 120640, 135824, 151496, 169780, 189370, 208960, 246181, 271648, 302992, 339560, 378740, 492362, 543296, 605984, 679120, 757480, 984724, 1211968, 1230905, 1358240, 1514960, 1969448, 2461810, 2716480, 3029920, 3938896, 4923620, 6059840, 7877792, 9847240, 15755584, 19694480, 39388960, 78777920]

約数ペア:

[(1, 78777920), (2, 39388960), (4, 19694480), (5, 15755584), (8, 9847240), (10, 7877792), (13, 6059840), (16, 4923620), (20, 3938896), (26, 3029920), (29, 2716480), (32, 2461810), (40, 1969448), (52, 1514960), (58, 1358240), (64, 1230905), (65, 1211968), (80, 984724), (104, 757480), (116, 679120), (130, 605984), (145, 543296), (160, 492362), (208, 378740), (232, 339560), (260, 302992), (290, 271648), (320, 246181), (377, 208960), (416, 189370), (464, 169780), (520, 151496), (580, 135824), (653, 120640), (754, 104480), (832, 94685), (928, 84890), (1040, 75748), (1160, 67912), (1306, 60320), (1508, 52240), (1856, 42445), (1885, 41792), (2080, 37874), (2320, 33956), (2612, 30160), (3016, 26120), (3265, 24128), (3770, 20896), (4160, 18937), (4640, 16978), (5224, 15080), (6032, 13060), (6530, 12064), (7540, 10448), (8489, 9280)]