78436691840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{91529}}^1$

素因数の和:91664

約数の個数: 128

約数和(自身を含む): 203899550400

約数和(自身を除く): 125462858560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 103, 104, 128, 130, 160, 206, 208, 260, 320, 412, 416, 515, 520, 640, 824, 832, 1030, 1040, 1339, 1648, 1664, 2060, 2080, 2678, 3296, 4120, 4160, 5356, 6592, 6695, 8240, 8320, 10712, 13184, 13390, 16480, 21424, 26780, 32960, 42848, 53560, 65920, 85696, 91529, 107120, 171392, 183058, 214240, 366116, 428480, 457645, 732232, 856960, 915290, 1189877, 1464464, 1830580, 2379754, 2928928, 3661160, 4759508, 5857856, 5949385, 7322320, 9427487, 9519016, 11715712, 11898770, 14644640, 18854974, 19038032, 23797540, 29289280, 37709948, 38076064, 47137435, 47595080, 58578560, 75419896, 76152128, 94274870, 95190160, 122557331, 150839792, 152304256, 188549740, 190380320, 245114662, 301679584, 377099480, 380760640, 490229324, 603359168, 612786655, 754198960, 761521280, 980458648, 1206718336, 1225573310, 1508397920, 1960917296, 2451146620, 3016795840, 3921834592, 4902293240, 6033591680, 7843669184, 9804586480, 15687338368, 19609172960, 39218345920, 78436691840]

約数ペア:

[(1, 78436691840), (2, 39218345920), (4, 19609172960), (5, 15687338368), (8, 9804586480), (10, 7843669184), (13, 6033591680), (16, 4902293240), (20, 3921834592), (26, 3016795840), (32, 2451146620), (40, 1960917296), (52, 1508397920), (64, 1225573310), (65, 1206718336), (80, 980458648), (103, 761521280), (104, 754198960), (128, 612786655), (130, 603359168), (160, 490229324), (206, 380760640), (208, 377099480), (260, 301679584), (320, 245114662), (412, 190380320), (416, 188549740), (515, 152304256), (520, 150839792), (640, 122557331), (824, 95190160), (832, 94274870), (1030, 76152128), (1040, 75419896), (1339, 58578560), (1648, 47595080), (1664, 47137435), (2060, 38076064), (2080, 37709948), (2678, 29289280), (3296, 23797540), (4120, 19038032), (4160, 18854974), (5356, 14644640), (6592, 11898770), (6695, 11715712), (8240, 9519016), (8320, 9427487), (10712, 7322320), (13184, 5949385), (13390, 5857856), (16480, 4759508), (21424, 3661160), (26780, 2928928), (32960, 2379754), (42848, 1830580), (53560, 1464464), (65920, 1189877), (85696, 915290), (91529, 856960), (107120, 732232), (171392, 457645), (183058, 428480), (214240, 366116)]