81041130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{937}}^1$

素因数の和:1012

約数の個数: 72

約数和(自身を含む): 217955556

約数和(自身を除く): 136914426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 937, 961, 1395, 1874, 1922, 2790, 2811, 2883, 4685, 4805, 5622, 5766, 8433, 8649, 9370, 9610, 14055, 14415, 16866, 17298, 28110, 28830, 29047, 42165, 43245, 58094, 84330, 86490, 87141, 145235, 174282, 261423, 290470, 435705, 522846, 871410, 900457, 1307115, 1800914, 2614230, 2701371, 4502285, 5402742, 8104113, 9004570, 13506855, 16208226, 27013710, 40520565, 81041130]

約数ペア:

[(1, 81041130), (2, 40520565), (3, 27013710), (5, 16208226), (6, 13506855), (9, 9004570), (10, 8104113), (15, 5402742), (18, 4502285), (30, 2701371), (31, 2614230), (45, 1800914), (62, 1307115), (90, 900457), (93, 871410), (155, 522846), (186, 435705), (279, 290470), (310, 261423), (465, 174282), (558, 145235), (930, 87141), (937, 86490), (961, 84330), (1395, 58094), (1874, 43245), (1922, 42165), (2790, 29047), (2811, 28830), (2883, 28110), (4685, 17298), (4805, 16866), (5622, 14415), (5766, 14055), (8433, 9610), (8649, 9370)]