256546620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11779}}^1$

素因数の和:11816

約数の個数: 108

約数和(自身を含む): 855440040

約数和(自身を除く): 598893420

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, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 11779, 21780, 23558, 35337, 47116, 58895, 70674, 106011, 117790, 129569, 141348, 176685, 212022, 235580, 259138, 353370, 388707, 424044, 518276, 530055, 647845, 706740, 777414, 1060110, 1166121, 1295690, 1425259, 1554828, 1943535, 2120220, 2332242, 2591380, 2850518, 3887070, 4275777, 4664484, 5701036, 5830605, 7126295, 7774140, 8551554, 11661210, 12827331, 14252590, 17103108, 21378885, 23322420, 25654662, 28505180, 42757770, 51309324, 64136655, 85515540, 128273310, 256546620]

約数ペア:

[(1, 256546620), (2, 128273310), (3, 85515540), (4, 64136655), (5, 51309324), (6, 42757770), (9, 28505180), (10, 25654662), (11, 23322420), (12, 21378885), (15, 17103108), (18, 14252590), (20, 12827331), (22, 11661210), (30, 8551554), (33, 7774140), (36, 7126295), (44, 5830605), (45, 5701036), (55, 4664484), (60, 4275777), (66, 3887070), (90, 2850518), (99, 2591380), (110, 2332242), (121, 2120220), (132, 1943535), (165, 1554828), (180, 1425259), (198, 1295690), (220, 1166121), (242, 1060110), (330, 777414), (363, 706740), (396, 647845), (484, 530055), (495, 518276), (605, 424044), (660, 388707), (726, 353370), (990, 259138), (1089, 235580), (1210, 212022), (1452, 176685), (1815, 141348), (1980, 129569), (2178, 117790), (2420, 106011), (3630, 70674), (4356, 58895), (5445, 47116), (7260, 35337), (10890, 23558), (11779, 21780)]