90064640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4139}}^1$

素因数の和:4177

約数の個数: 72

約数和(自身を含む): 228478320

約数和(自身を除く): 138413680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4139, 4352, 5440, 8278, 10880, 16556, 20695, 21760, 33112, 41390, 66224, 70363, 82780, 132448, 140726, 165560, 264896, 281452, 331120, 351815, 529792, 562904, 662240, 703630, 1059584, 1125808, 1324480, 1407260, 2251616, 2648960, 2814520, 4503232, 5297920, 5629040, 9006464, 11258080, 18012928, 22516160, 45032320, 90064640]

約数ペア:

[(1, 90064640), (2, 45032320), (4, 22516160), (5, 18012928), (8, 11258080), (10, 9006464), (16, 5629040), (17, 5297920), (20, 4503232), (32, 2814520), (34, 2648960), (40, 2251616), (64, 1407260), (68, 1324480), (80, 1125808), (85, 1059584), (128, 703630), (136, 662240), (160, 562904), (170, 529792), (256, 351815), (272, 331120), (320, 281452), (340, 264896), (544, 165560), (640, 140726), (680, 132448), (1088, 82780), (1280, 70363), (1360, 66224), (2176, 41390), (2720, 33112), (4139, 21760), (4352, 20695), (5440, 16556), (8278, 10880)]