81099080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 190425600

約数和(自身を除く): 109326520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 151, 232, 290, 302, 463, 580, 604, 755, 926, 1160, 1208, 1510, 1852, 2315, 3020, 3704, 4379, 4630, 6040, 8758, 9260, 13427, 17516, 18520, 21895, 26854, 35032, 43790, 53708, 67135, 69913, 87580, 107416, 134270, 139826, 175160, 268540, 279652, 349565, 537080, 559304, 699130, 1398260, 2027477, 2796520, 4054954, 8109908, 10137385, 16219816, 20274770, 40549540, 81099080]

約数ペア:

[(1, 81099080), (2, 40549540), (4, 20274770), (5, 16219816), (8, 10137385), (10, 8109908), (20, 4054954), (29, 2796520), (40, 2027477), (58, 1398260), (116, 699130), (145, 559304), (151, 537080), (232, 349565), (290, 279652), (302, 268540), (463, 175160), (580, 139826), (604, 134270), (755, 107416), (926, 87580), (1160, 69913), (1208, 67135), (1510, 53708), (1852, 43790), (2315, 35032), (3020, 26854), (3704, 21895), (4379, 18520), (4630, 17516), (6040, 13427), (8758, 9260)]