27428940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:2012

約数の個数: 144

約数和(自身を含む): 103783680

約数和(自身を除く): 76354740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1979, 1980, 2310, 2772, 3465, 3958, 4620, 5937, 6930, 7916, 9895, 11874, 13853, 13860, 17811, 19790, 21769, 23748, 27706, 29685, 35622, 39580, 41559, 43538, 55412, 59370, 65307, 69265, 71244, 83118, 87076, 89055, 108845, 118740, 124677, 130614, 138530, 152383, 166236, 178110, 195921, 207795, 217690, 249354, 261228, 277060, 304766, 326535, 356220, 391842, 415590, 435380, 457149, 498708, 609532, 623385, 653070, 761915, 783684, 831180, 914298, 979605, 1246770, 1306140, 1371447, 1523830, 1828596, 1959210, 2285745, 2493540, 2742894, 3047660, 3918420, 4571490, 5485788, 6857235, 9142980, 13714470, 27428940]

約数ペア:

[(1, 27428940), (2, 13714470), (3, 9142980), (4, 6857235), (5, 5485788), (6, 4571490), (7, 3918420), (9, 3047660), (10, 2742894), (11, 2493540), (12, 2285745), (14, 1959210), (15, 1828596), (18, 1523830), (20, 1371447), (21, 1306140), (22, 1246770), (28, 979605), (30, 914298), (33, 831180), (35, 783684), (36, 761915), (42, 653070), (44, 623385), (45, 609532), (55, 498708), (60, 457149), (63, 435380), (66, 415590), (70, 391842), (77, 356220), (84, 326535), (90, 304766), (99, 277060), (105, 261228), (110, 249354), (126, 217690), (132, 207795), (140, 195921), (154, 178110), (165, 166236), (180, 152383), (198, 138530), (210, 130614), (220, 124677), (231, 118740), (252, 108845), (308, 89055), (315, 87076), (330, 83118), (385, 71244), (396, 69265), (420, 65307), (462, 59370), (495, 55412), (630, 43538), (660, 41559), (693, 39580), (770, 35622), (924, 29685), (990, 27706), (1155, 23748), (1260, 21769), (1386, 19790), (1540, 17811), (1979, 13860), (1980, 13853), (2310, 11874), (2772, 9895), (3465, 7916), (3958, 6930), (4620, 5937)]