18183721160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{263227}}^1$

素因数の和:263406

約数の個数: 64

約数和(自身を含む): 44917225920

約数和(自身を除く): 26733504760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 3140, 3454, 6280, 6908, 8635, 13816, 17270, 34540, 69080, 263227, 526454, 1052908, 1316135, 2105816, 2632270, 2895497, 5264540, 5790994, 10529080, 11581988, 14477485, 23163976, 28954970, 41326639, 57909940, 82653278, 115819880, 165306556, 206633195, 330613112, 413266390, 454593029, 826532780, 909186058, 1653065560, 1818372116, 2272965145, 3636744232, 4545930290, 9091860580, 18183721160]

約数ペア:

[(1, 18183721160), (2, 9091860580), (4, 4545930290), (5, 3636744232), (8, 2272965145), (10, 1818372116), (11, 1653065560), (20, 909186058), (22, 826532780), (40, 454593029), (44, 413266390), (55, 330613112), (88, 206633195), (110, 165306556), (157, 115819880), (220, 82653278), (314, 57909940), (440, 41326639), (628, 28954970), (785, 23163976), (1256, 14477485), (1570, 11581988), (1727, 10529080), (3140, 5790994), (3454, 5264540), (6280, 2895497), (6908, 2632270), (8635, 2105816), (13816, 1316135), (17270, 1052908), (34540, 526454), (69080, 263227)]