80551020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 256241664

約数和(自身を除く): 175690644

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 127, 132, 155, 165, 186, 220, 254, 310, 330, 341, 372, 381, 465, 508, 620, 635, 660, 682, 762, 930, 961, 1023, 1270, 1364, 1397, 1524, 1705, 1860, 1905, 1922, 2046, 2540, 2794, 2883, 3410, 3810, 3844, 3937, 4092, 4191, 4805, 5115, 5588, 5766, 6820, 6985, 7620, 7874, 8382, 9610, 10230, 10571, 11532, 11811, 13970, 14415, 15748, 16764, 19220, 19685, 20460, 20955, 21142, 23622, 27940, 28830, 31713, 39370, 41910, 42284, 43307, 47244, 52855, 57660, 59055, 63426, 78740, 83820, 86614, 105710, 118110, 122047, 126852, 129921, 158565, 173228, 211420, 216535, 236220, 244094, 259842, 317130, 366141, 433070, 488188, 519684, 610235, 634260, 649605, 732282, 866140, 1220470, 1299210, 1342517, 1464564, 1830705, 2440940, 2598420, 2685034, 3661410, 4027551, 5370068, 6712585, 7322820, 8055102, 13425170, 16110204, 20137755, 26850340, 40275510, 80551020]

約数ペア:

[(1, 80551020), (2, 40275510), (3, 26850340), (4, 20137755), (5, 16110204), (6, 13425170), (10, 8055102), (11, 7322820), (12, 6712585), (15, 5370068), (20, 4027551), (22, 3661410), (30, 2685034), (31, 2598420), (33, 2440940), (44, 1830705), (55, 1464564), (60, 1342517), (62, 1299210), (66, 1220470), (93, 866140), (110, 732282), (124, 649605), (127, 634260), (132, 610235), (155, 519684), (165, 488188), (186, 433070), (220, 366141), (254, 317130), (310, 259842), (330, 244094), (341, 236220), (372, 216535), (381, 211420), (465, 173228), (508, 158565), (620, 129921), (635, 126852), (660, 122047), (682, 118110), (762, 105710), (930, 86614), (961, 83820), (1023, 78740), (1270, 63426), (1364, 59055), (1397, 57660), (1524, 52855), (1705, 47244), (1860, 43307), (1905, 42284), (1922, 41910), (2046, 39370), (2540, 31713), (2794, 28830), (2883, 27940), (3410, 23622), (3810, 21142), (3844, 20955), (3937, 20460), (4092, 19685), (4191, 19220), (4805, 16764), (5115, 15748), (5588, 14415), (5766, 13970), (6820, 11811), (6985, 11532), (7620, 10571), (7874, 10230), (8382, 9610)]