90480128

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 194451840

約数和(自身を除く): 103971712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 128, 131, 142, 152, 256, 262, 284, 304, 512, 524, 568, 608, 1048, 1136, 1216, 1349, 2096, 2272, 2432, 2489, 2698, 4192, 4544, 4864, 4978, 5396, 8384, 9088, 9301, 9728, 9956, 10792, 16768, 18176, 18602, 19912, 21584, 33536, 36352, 37204, 39824, 43168, 67072, 74408, 79648, 86336, 148816, 159296, 172672, 176719, 297632, 318592, 345344, 353438, 595264, 637184, 690688, 706876, 1190528, 1274368, 1413752, 2381056, 2827504, 4762112, 5655008, 11310016, 22620032, 45240064, 90480128]

約数ペア:

[(1, 90480128), (2, 45240064), (4, 22620032), (8, 11310016), (16, 5655008), (19, 4762112), (32, 2827504), (38, 2381056), (64, 1413752), (71, 1274368), (76, 1190528), (128, 706876), (131, 690688), (142, 637184), (152, 595264), (256, 353438), (262, 345344), (284, 318592), (304, 297632), (512, 176719), (524, 172672), (568, 159296), (608, 148816), (1048, 86336), (1136, 79648), (1216, 74408), (1349, 67072), (2096, 43168), (2272, 39824), (2432, 37204), (2489, 36352), (2698, 33536), (4192, 21584), (4544, 19912), (4864, 18602), (4978, 18176), (5396, 16768), (8384, 10792), (9088, 9956), (9301, 9728)]