172721280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89959}}^1$

素因数の和:89981

約数の個数: 64

約数和(自身を含む): 550555200

約数和(自身を除く): 377833920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 89959, 179918, 269877, 359836, 449795, 539754, 719672, 899590, 1079508, 1349385, 1439344, 1799180, 2159016, 2698770, 2878688, 3598360, 4318032, 5397540, 5757376, 7196720, 8636064, 10795080, 11514752, 14393440, 17272128, 21590160, 28786880, 34544256, 43180320, 57573760, 86360640, 172721280]

約数ペア:

[(1, 172721280), (2, 86360640), (3, 57573760), (4, 43180320), (5, 34544256), (6, 28786880), (8, 21590160), (10, 17272128), (12, 14393440), (15, 11514752), (16, 10795080), (20, 8636064), (24, 7196720), (30, 5757376), (32, 5397540), (40, 4318032), (48, 3598360), (60, 2878688), (64, 2698770), (80, 2159016), (96, 1799180), (120, 1439344), (128, 1349385), (160, 1079508), (192, 899590), (240, 719672), (320, 539754), (384, 449795), (480, 359836), (640, 269877), (960, 179918), (1920, 89959)]