636160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 1766016

約数和(自身を除く): 1129856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 320, 355, 448, 497, 560, 568, 640, 710, 896, 994, 1120, 1136, 1280, 1420, 1792, 1988, 2240, 2272, 2485, 2840, 3976, 4480, 4544, 4970, 5680, 7952, 8960, 9088, 9940, 11360, 15904, 18176, 19880, 22720, 31808, 39760, 45440, 63616, 79520, 90880, 127232, 159040, 318080, 636160]

約数ペア:

[(1, 636160), (2, 318080), (4, 159040), (5, 127232), (7, 90880), (8, 79520), (10, 63616), (14, 45440), (16, 39760), (20, 31808), (28, 22720), (32, 19880), (35, 18176), (40, 15904), (56, 11360), (64, 9940), (70, 9088), (71, 8960), (80, 7952), (112, 5680), (128, 4970), (140, 4544), (142, 4480), (160, 3976), (224, 2840), (256, 2485), (280, 2272), (284, 2240), (320, 1988), (355, 1792), (448, 1420), (497, 1280), (560, 1136), (568, 1120), (640, 994), (710, 896)]