90257520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 296980992

約数和(自身を除く): 206723472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 83, 92, 115, 120, 138, 166, 184, 197, 230, 240, 249, 276, 332, 345, 368, 394, 415, 460, 498, 552, 591, 664, 690, 788, 830, 920, 985, 996, 1104, 1182, 1245, 1328, 1380, 1576, 1660, 1840, 1909, 1970, 1992, 2364, 2490, 2760, 2955, 3152, 3320, 3818, 3940, 3984, 4531, 4728, 4980, 5520, 5727, 5910, 6640, 7636, 7880, 9062, 9456, 9545, 9960, 11454, 11820, 13593, 15272, 15760, 16351, 18124, 19090, 19920, 22655, 22908, 23640, 27186, 28635, 30544, 32702, 36248, 38180, 45310, 45816, 47280, 49053, 54372, 57270, 65404, 67965, 72496, 76360, 81755, 90620, 91632, 98106, 108744, 114540, 130808, 135930, 152720, 163510, 181240, 196212, 217488, 229080, 245265, 261616, 271860, 327020, 362480, 376073, 392424, 458160, 490530, 543720, 654040, 752146, 784848, 981060, 1087440, 1128219, 1308080, 1504292, 1880365, 1962120, 2256438, 3008584, 3760730, 3924240, 4512876, 5641095, 6017168, 7521460, 9025752, 11282190, 15042920, 18051504, 22564380, 30085840, 45128760, 90257520]

約数ペア:

[(1, 90257520), (2, 45128760), (3, 30085840), (4, 22564380), (5, 18051504), (6, 15042920), (8, 11282190), (10, 9025752), (12, 7521460), (15, 6017168), (16, 5641095), (20, 4512876), (23, 3924240), (24, 3760730), (30, 3008584), (40, 2256438), (46, 1962120), (48, 1880365), (60, 1504292), (69, 1308080), (80, 1128219), (83, 1087440), (92, 981060), (115, 784848), (120, 752146), (138, 654040), (166, 543720), (184, 490530), (197, 458160), (230, 392424), (240, 376073), (249, 362480), (276, 327020), (332, 271860), (345, 261616), (368, 245265), (394, 229080), (415, 217488), (460, 196212), (498, 181240), (552, 163510), (591, 152720), (664, 135930), (690, 130808), (788, 114540), (830, 108744), (920, 98106), (985, 91632), (996, 90620), (1104, 81755), (1182, 76360), (1245, 72496), (1328, 67965), (1380, 65404), (1576, 57270), (1660, 54372), (1840, 49053), (1909, 47280), (1970, 45816), (1992, 45310), (2364, 38180), (2490, 36248), (2760, 32702), (2955, 30544), (3152, 28635), (3320, 27186), (3818, 23640), (3940, 22908), (3984, 22655), (4531, 19920), (4728, 19090), (4980, 18124), (5520, 16351), (5727, 15760), (5910, 15272), (6640, 13593), (7636, 11820), (7880, 11454), (9062, 9960), (9456, 9545)]