81306510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2129}}^1$

素因数の和:2225

約数の個数: 64

約数和(自身を含む): 208569600

約数和(自身を除く): 127263090

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 67, 95, 114, 134, 190, 201, 285, 335, 402, 570, 670, 1005, 1273, 2010, 2129, 2546, 3819, 4258, 6365, 6387, 7638, 10645, 12730, 12774, 19095, 21290, 31935, 38190, 40451, 63870, 80902, 121353, 142643, 202255, 242706, 285286, 404510, 427929, 606765, 713215, 855858, 1213530, 1426430, 2139645, 2710217, 4279290, 5420434, 8130651, 13551085, 16261302, 27102170, 40653255, 81306510]

約数ペア:

[(1, 81306510), (2, 40653255), (3, 27102170), (5, 16261302), (6, 13551085), (10, 8130651), (15, 5420434), (19, 4279290), (30, 2710217), (38, 2139645), (57, 1426430), (67, 1213530), (95, 855858), (114, 713215), (134, 606765), (190, 427929), (201, 404510), (285, 285286), (335, 242706), (402, 202255), (570, 142643), (670, 121353), (1005, 80902), (1273, 63870), (2010, 40451), (2129, 38190), (2546, 31935), (3819, 21290), (4258, 19095), (6365, 12774), (6387, 12730), (7638, 10645)]