81407130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:804

約数の個数: 96

約数和(自身を含む): 230480640

約数和(自身を除く): 149073510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 79, 98, 105, 147, 158, 210, 237, 245, 294, 395, 474, 490, 553, 701, 735, 790, 1106, 1185, 1402, 1470, 1659, 2103, 2370, 2765, 3318, 3505, 3871, 4206, 4907, 5530, 7010, 7742, 8295, 9814, 10515, 11613, 14721, 16590, 19355, 21030, 23226, 24535, 29442, 34349, 38710, 49070, 55379, 58065, 68698, 73605, 103047, 110758, 116130, 147210, 166137, 171745, 206094, 276895, 332274, 343490, 387653, 515235, 553790, 775306, 830685, 1030470, 1162959, 1661370, 1938265, 2325918, 2713571, 3876530, 5427142, 5814795, 8140713, 11629590, 13567855, 16281426, 27135710, 40703565, 81407130]

約数ペア:

[(1, 81407130), (2, 40703565), (3, 27135710), (5, 16281426), (6, 13567855), (7, 11629590), (10, 8140713), (14, 5814795), (15, 5427142), (21, 3876530), (30, 2713571), (35, 2325918), (42, 1938265), (49, 1661370), (70, 1162959), (79, 1030470), (98, 830685), (105, 775306), (147, 553790), (158, 515235), (210, 387653), (237, 343490), (245, 332274), (294, 276895), (395, 206094), (474, 171745), (490, 166137), (553, 147210), (701, 116130), (735, 110758), (790, 103047), (1106, 73605), (1185, 68698), (1402, 58065), (1470, 55379), (1659, 49070), (2103, 38710), (2370, 34349), (2765, 29442), (3318, 24535), (3505, 23226), (3871, 21030), (4206, 19355), (4907, 16590), (5530, 14721), (7010, 11613), (7742, 10515), (8295, 9814)]