31279223820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41729}}^1$

素因数の和:41816

約数の個数: 144

約数和(自身を含む): 97461917280

約数和(自身を除く): 66182693460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 961, 1209, 1612, 1860, 1922, 2015, 2418, 2883, 3844, 4030, 4805, 4836, 5766, 6045, 8060, 9610, 11532, 12090, 12493, 14415, 19220, 24180, 24986, 28830, 37479, 41729, 49972, 57660, 62465, 74958, 83458, 124930, 125187, 149916, 166916, 187395, 208645, 249860, 250374, 374790, 417290, 500748, 542477, 625935, 749580, 834580, 1084954, 1251870, 1293599, 1627431, 2169908, 2503740, 2587198, 2712385, 3254862, 3880797, 5174396, 5424770, 6467995, 6509724, 7761594, 8137155, 10849540, 12935990, 15523188, 16274310, 16816787, 19403985, 25871980, 32548620, 33633574, 38807970, 40101569, 50450361, 67267148, 77615940, 80203138, 84083935, 100900722, 120304707, 160406276, 168167870, 200507845, 201801444, 240609414, 252251805, 336335740, 401015690, 481218828, 504503610, 521320397, 601523535, 802031380, 1009007220, 1042640794, 1203047070, 1563961191, 2085281588, 2406094140, 2606601985, 3127922382, 5213203970, 6255844764, 7819805955, 10426407940, 15639611910, 31279223820]

約数ペア:

[(1, 31279223820), (2, 15639611910), (3, 10426407940), (4, 7819805955), (5, 6255844764), (6, 5213203970), (10, 3127922382), (12, 2606601985), (13, 2406094140), (15, 2085281588), (20, 1563961191), (26, 1203047070), (30, 1042640794), (31, 1009007220), (39, 802031380), (52, 601523535), (60, 521320397), (62, 504503610), (65, 481218828), (78, 401015690), (93, 336335740), (124, 252251805), (130, 240609414), (155, 201801444), (156, 200507845), (186, 168167870), (195, 160406276), (260, 120304707), (310, 100900722), (372, 84083935), (390, 80203138), (403, 77615940), (465, 67267148), (620, 50450361), (780, 40101569), (806, 38807970), (930, 33633574), (961, 32548620), (1209, 25871980), (1612, 19403985), (1860, 16816787), (1922, 16274310), (2015, 15523188), (2418, 12935990), (2883, 10849540), (3844, 8137155), (4030, 7761594), (4805, 6509724), (4836, 6467995), (5766, 5424770), (6045, 5174396), (8060, 3880797), (9610, 3254862), (11532, 2712385), (12090, 2587198), (12493, 2503740), (14415, 2169908), (19220, 1627431), (24180, 1293599), (24986, 1251870), (28830, 1084954), (37479, 834580), (41729, 749580), (49972, 625935), (57660, 542477), (62465, 500748), (74958, 417290), (83458, 374790), (124930, 250374), (125187, 249860), (149916, 208645), (166916, 187395)]