120720560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{65609}}^1$

素因数の和:65645

約数の個数: 40

約数和(自身を含む): 292883040

約数和(自身を除く): 172162480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 65609, 131218, 262436, 328045, 524872, 656090, 1049744, 1312180, 1509007, 2624360, 3018014, 5248720, 6036028, 7545035, 12072056, 15090070, 24144112, 30180140, 60360280, 120720560]

約数ペア:

[(1, 120720560), (2, 60360280), (4, 30180140), (5, 24144112), (8, 15090070), (10, 12072056), (16, 7545035), (20, 6036028), (23, 5248720), (40, 3018014), (46, 2624360), (80, 1509007), (92, 1312180), (115, 1049744), (184, 656090), (230, 524872), (368, 328045), (460, 262436), (920, 131218), (1840, 65609)]