81282810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4349}}^1$

素因数の和:4455

約数の個数: 64

約数和(自身を含む): 225504000

約数和(自身を除く): 144221190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1246, 1335, 1869, 2670, 3115, 3738, 4349, 6230, 8698, 9345, 13047, 18690, 21745, 26094, 30443, 43490, 60886, 65235, 91329, 130470, 152215, 182658, 304430, 387061, 456645, 774122, 913290, 1161183, 1935305, 2322366, 2709427, 3870610, 5418854, 5805915, 8128281, 11611830, 13547135, 16256562, 27094270, 40641405, 81282810]

約数ペア:

[(1, 81282810), (2, 40641405), (3, 27094270), (5, 16256562), (6, 13547135), (7, 11611830), (10, 8128281), (14, 5805915), (15, 5418854), (21, 3870610), (30, 2709427), (35, 2322366), (42, 1935305), (70, 1161183), (89, 913290), (105, 774122), (178, 456645), (210, 387061), (267, 304430), (445, 182658), (534, 152215), (623, 130470), (890, 91329), (1246, 65235), (1335, 60886), (1869, 43490), (2670, 30443), (3115, 26094), (3738, 21745), (4349, 18690), (6230, 13047), (8698, 9345)]