12970980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6551}}^1$

素因数の和:6577

約数の個数: 72

約数和(自身を含む): 42928704

約数和(自身を除く): 29957724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 6551, 13102, 19653, 26204, 32755, 39306, 58959, 65510, 72061, 78612, 98265, 117918, 131020, 144122, 196530, 216183, 235836, 288244, 294795, 360305, 393060, 432366, 589590, 648549, 720610, 864732, 1080915, 1179180, 1297098, 1441220, 2161830, 2594196, 3242745, 4323660, 6485490, 12970980]

約数ペア:

[(1, 12970980), (2, 6485490), (3, 4323660), (4, 3242745), (5, 2594196), (6, 2161830), (9, 1441220), (10, 1297098), (11, 1179180), (12, 1080915), (15, 864732), (18, 720610), (20, 648549), (22, 589590), (30, 432366), (33, 393060), (36, 360305), (44, 294795), (45, 288244), (55, 235836), (60, 216183), (66, 196530), (90, 144122), (99, 131020), (110, 117918), (132, 98265), (165, 78612), (180, 72061), (198, 65510), (220, 58959), (330, 39306), (396, 32755), (495, 26204), (660, 19653), (990, 13102), (1980, 6551)]