90266720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1348

約数の個数: 96

約数和(自身を含む): 234420480

約数和(自身を除く): 144153760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1291, 1520, 1748, 1840, 2185, 2582, 3040, 3496, 3680, 4370, 5164, 6455, 6992, 8740, 10328, 12910, 13984, 17480, 20656, 24529, 25820, 29693, 34960, 41312, 49058, 51640, 59386, 69920, 98116, 103280, 118772, 122645, 148465, 196232, 206560, 237544, 245290, 296930, 392464, 475088, 490580, 564167, 593860, 784928, 950176, 981160, 1128334, 1187720, 1962320, 2256668, 2375440, 2820835, 3924640, 4513336, 4750880, 5641670, 9026672, 11283340, 18053344, 22566680, 45133360, 90266720]

約数ペア:

[(1, 90266720), (2, 45133360), (4, 22566680), (5, 18053344), (8, 11283340), (10, 9026672), (16, 5641670), (19, 4750880), (20, 4513336), (23, 3924640), (32, 2820835), (38, 2375440), (40, 2256668), (46, 1962320), (76, 1187720), (80, 1128334), (92, 981160), (95, 950176), (115, 784928), (152, 593860), (160, 564167), (184, 490580), (190, 475088), (230, 392464), (304, 296930), (368, 245290), (380, 237544), (437, 206560), (460, 196232), (608, 148465), (736, 122645), (760, 118772), (874, 103280), (920, 98116), (1291, 69920), (1520, 59386), (1748, 51640), (1840, 49058), (2185, 41312), (2582, 34960), (3040, 29693), (3496, 25820), (3680, 24529), (4370, 20656), (5164, 17480), (6455, 13984), (6992, 12910), (8740, 10328)]