87149920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 244045872

約数和(自身を除く): 156895952

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 169, 176, 208, 220, 260, 286, 293, 338, 352, 416, 440, 520, 572, 586, 676, 715, 845, 880, 1040, 1144, 1172, 1352, 1430, 1465, 1690, 1760, 1859, 2080, 2288, 2344, 2704, 2860, 2930, 3223, 3380, 3718, 3809, 4576, 4688, 5408, 5720, 5860, 6446, 6760, 7436, 7618, 9295, 9376, 11440, 11720, 12892, 13520, 14872, 15236, 16115, 18590, 19045, 22880, 23440, 25784, 27040, 29744, 30472, 32230, 37180, 38090, 41899, 46880, 49517, 51568, 59488, 60944, 64460, 74360, 76180, 83798, 99034, 103136, 121888, 128920, 148720, 152360, 167596, 198068, 209495, 247585, 257840, 297440, 304720, 335192, 396136, 418990, 495170, 515680, 544687, 609440, 670384, 792272, 837980, 990340, 1089374, 1340768, 1584544, 1675960, 1980680, 2178748, 2723435, 3351920, 3961360, 4357496, 5446870, 6703840, 7922720, 8714992, 10893740, 17429984, 21787480, 43574960, 87149920]

約数ペア:

[(1, 87149920), (2, 43574960), (4, 21787480), (5, 17429984), (8, 10893740), (10, 8714992), (11, 7922720), (13, 6703840), (16, 5446870), (20, 4357496), (22, 3961360), (26, 3351920), (32, 2723435), (40, 2178748), (44, 1980680), (52, 1675960), (55, 1584544), (65, 1340768), (80, 1089374), (88, 990340), (104, 837980), (110, 792272), (130, 670384), (143, 609440), (160, 544687), (169, 515680), (176, 495170), (208, 418990), (220, 396136), (260, 335192), (286, 304720), (293, 297440), (338, 257840), (352, 247585), (416, 209495), (440, 198068), (520, 167596), (572, 152360), (586, 148720), (676, 128920), (715, 121888), (845, 103136), (880, 99034), (1040, 83798), (1144, 76180), (1172, 74360), (1352, 64460), (1430, 60944), (1465, 59488), (1690, 51568), (1760, 49517), (1859, 46880), (2080, 41899), (2288, 38090), (2344, 37180), (2704, 32230), (2860, 30472), (2930, 29744), (3223, 27040), (3380, 25784), (3718, 23440), (3809, 22880), (4576, 19045), (4688, 18590), (5408, 16115), (5720, 15236), (5860, 14872), (6446, 13520), (6760, 12892), (7436, 11720), (7618, 11440), (9295, 9376)]