81722899720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3790487}}^1$

素因数の和:3790523

約数の個数: 96

約数和(自身を含む): 233342441280

約数和(自身を除く): 151619541560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 10780, 21560, 3790487, 7580974, 15161948, 18952435, 26533409, 30323896, 37904870, 41695357, 53066818, 75809740, 83390714, 106133636, 132667045, 151619480, 166781428, 185733863, 208476785, 212267272, 265334090, 291867499, 333562856, 371467726, 416953570, 530668180, 583734998, 742935452, 833907140, 928669315, 1061336360, 1167469996, 1459337495, 1485870904, 1667814280, 1857338630, 2043072493, 2334939992, 2918674990, 3714677260, 4086144986, 5837349980, 7429354520, 8172289972, 10215362465, 11674699960, 16344579944, 20430724930, 40861449860, 81722899720]

約数ペア:

[(1, 81722899720), (2, 40861449860), (4, 20430724930), (5, 16344579944), (7, 11674699960), (8, 10215362465), (10, 8172289972), (11, 7429354520), (14, 5837349980), (20, 4086144986), (22, 3714677260), (28, 2918674990), (35, 2334939992), (40, 2043072493), (44, 1857338630), (49, 1667814280), (55, 1485870904), (56, 1459337495), (70, 1167469996), (77, 1061336360), (88, 928669315), (98, 833907140), (110, 742935452), (140, 583734998), (154, 530668180), (196, 416953570), (220, 371467726), (245, 333562856), (280, 291867499), (308, 265334090), (385, 212267272), (392, 208476785), (440, 185733863), (490, 166781428), (539, 151619480), (616, 132667045), (770, 106133636), (980, 83390714), (1078, 75809740), (1540, 53066818), (1960, 41695357), (2156, 37904870), (2695, 30323896), (3080, 26533409), (4312, 18952435), (5390, 15161948), (10780, 7580974), (21560, 3790487)]