318080

素因数分解:

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

素因数の和:97

約数の個数: 64

約数和(自身を含む): 881280

約数和(自身を除く): 563200

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, 280, 284, 320, 355, 448, 497, 560, 568, 640, 710, 896, 994, 1120, 1136, 1420, 1988, 2240, 2272, 2485, 2840, 3976, 4480, 4544, 4970, 5680, 7952, 9088, 9940, 11360, 15904, 19880, 22720, 31808, 39760, 45440, 63616, 79520, 159040, 318080]

約数ペア:

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