90885760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{20287}}^1$

素因数の和:20313

約数の個数: 64

約数和(自身を含む): 248325120

約数和(自身を除く): 157439360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 20287, 40574, 81148, 101435, 142009, 162296, 202870, 284018, 324592, 405740, 568036, 649184, 710045, 811480, 1136072, 1298368, 1420090, 1622960, 2272144, 2596736, 2840180, 3245920, 4544288, 5680360, 6491840, 9088576, 11360720, 12983680, 18177152, 22721440, 45442880, 90885760]

約数ペア:

[(1, 90885760), (2, 45442880), (4, 22721440), (5, 18177152), (7, 12983680), (8, 11360720), (10, 9088576), (14, 6491840), (16, 5680360), (20, 4544288), (28, 3245920), (32, 2840180), (35, 2596736), (40, 2272144), (56, 1622960), (64, 1420090), (70, 1298368), (80, 1136072), (112, 811480), (128, 710045), (140, 649184), (160, 568036), (224, 405740), (280, 324592), (320, 284018), (448, 202870), (560, 162296), (640, 142009), (896, 101435), (1120, 81148), (2240, 40574), (4480, 20287)]