147663920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30259}}^1$

素因数の和:30333

約数の個数: 40

約数和(自身を含む): 348958320

約数和(自身を除く): 201294400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 30259, 60518, 121036, 151295, 242072, 302590, 484144, 605180, 1210360, 1845799, 2420720, 3691598, 7383196, 9228995, 14766392, 18457990, 29532784, 36915980, 73831960, 147663920]

約数ペア:

[(1, 147663920), (2, 73831960), (4, 36915980), (5, 29532784), (8, 18457990), (10, 14766392), (16, 9228995), (20, 7383196), (40, 3691598), (61, 2420720), (80, 1845799), (122, 1210360), (244, 605180), (305, 484144), (488, 302590), (610, 242072), (976, 151295), (1220, 121036), (2440, 60518), (4880, 30259)]