About the Number

12726780

12726779 ← → 12726781

2進数表記:110000100011000111111100

漢数字表記:千二百七十二万六千七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 11 2 × 1753 1

素因数の和:1787
約数の個数: 72
約数和(自身を含む): 39191376
約数和(自身を除く): 26464596

約数列:
[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1753, 1815, 2420, 3506, 3630, 5259, 7012, 7260, 8765, 10518, 17530, 19283, 21036, 26295, 35060, 38566, 52590, 57849, 77132, 96415, 105180, 115698, 192830, 212113, 231396, 289245, 385660, 424226, 578490, 636339, 848452, 1060565, 1156980, 1272678, 2121130, 2545356, 3181695, 4242260, 6363390, 12726780]

約数ペア:
[(1, 12726780), (2, 6363390), (3, 4242260), (4, 3181695), (5, 2545356), (6, 2121130), (10, 1272678), (11, 1156980), (12, 1060565), (15, 848452), (20, 636339), (22, 578490), (30, 424226), (33, 385660), (44, 289245), (55, 231396), (60, 212113), (66, 192830), (110, 115698), (121, 105180), (132, 96415), (165, 77132), (220, 57849), (242, 52590), (330, 38566), (363, 35060), (484, 26295), (605, 21036), (660, 19283), (726, 17530), (1210, 10518), (1452, 8765), (1753, 7260), (1815, 7012), (2420, 5259), (3506, 3630)]

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