84242720

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2203}}^1$

素因数の和:2457

約数の個数: 48

約数和(自身を含む): 199946880

約数和(自身を除く): 115704160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2203, 2390, 3824, 4406, 4780, 7648, 8812, 9560, 11015, 17624, 19120, 22030, 35248, 38240, 44060, 70496, 88120, 176240, 352480, 526517, 1053034, 2106068, 2632585, 4212136, 5265170, 8424272, 10530340, 16848544, 21060680, 42121360, 84242720]

約数ペア:

[(1, 84242720), (2, 42121360), (4, 21060680), (5, 16848544), (8, 10530340), (10, 8424272), (16, 5265170), (20, 4212136), (32, 2632585), (40, 2106068), (80, 1053034), (160, 526517), (239, 352480), (478, 176240), (956, 88120), (1195, 70496), (1912, 44060), (2203, 38240), (2390, 35248), (3824, 22030), (4406, 19120), (4780, 17624), (7648, 11015), (8812, 9560)]