1256228720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{682733}}^1$

素因数の和:682769

約数の個数: 40

約数和(自身を含む): 3047724576

約数和(自身を除く): 1791495856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 682733, 1365466, 2730932, 3413665, 5461864, 6827330, 10923728, 13654660, 15702859, 27309320, 31405718, 54618640, 62811436, 78514295, 125622872, 157028590, 251245744, 314057180, 628114360, 1256228720]

約数ペア:

[(1, 1256228720), (2, 628114360), (4, 314057180), (5, 251245744), (8, 157028590), (10, 125622872), (16, 78514295), (20, 62811436), (23, 54618640), (40, 31405718), (46, 27309320), (80, 15702859), (92, 13654660), (115, 10923728), (184, 6827330), (230, 5461864), (368, 3413665), (460, 2730932), (920, 1365466), (1840, 682733)]