71217090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{769}}^1$

素因数の和:806

約数の個数: 128

約数和(自身を含む): 221760000

約数和(自身を除く): 150542910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 343, 378, 441, 490, 630, 686, 735, 769, 882, 945, 1029, 1323, 1470, 1538, 1715, 1890, 2058, 2205, 2307, 2646, 3087, 3430, 3845, 4410, 4614, 5145, 5383, 6174, 6615, 6921, 7690, 9261, 10290, 10766, 11535, 13230, 13842, 15435, 16149, 18522, 20763, 23070, 26915, 30870, 32298, 34605, 37681, 41526, 46305, 48447, 53830, 69210, 75362, 80745, 92610, 96894, 103815, 113043, 145341, 161490, 188405, 207630, 226086, 242235, 263767, 290682, 339129, 376810, 484470, 527534, 565215, 678258, 726705, 791301, 1017387, 1130430, 1318835, 1453410, 1582602, 1695645, 2034774, 2373903, 2637670, 3391290, 3956505, 4747806, 5086935, 7121709, 7913010, 10173870, 11869515, 14243418, 23739030, 35608545, 71217090]

約数ペア:

[(1, 71217090), (2, 35608545), (3, 23739030), (5, 14243418), (6, 11869515), (7, 10173870), (9, 7913010), (10, 7121709), (14, 5086935), (15, 4747806), (18, 3956505), (21, 3391290), (27, 2637670), (30, 2373903), (35, 2034774), (42, 1695645), (45, 1582602), (49, 1453410), (54, 1318835), (63, 1130430), (70, 1017387), (90, 791301), (98, 726705), (105, 678258), (126, 565215), (135, 527534), (147, 484470), (189, 376810), (210, 339129), (245, 290682), (270, 263767), (294, 242235), (315, 226086), (343, 207630), (378, 188405), (441, 161490), (490, 145341), (630, 113043), (686, 103815), (735, 96894), (769, 92610), (882, 80745), (945, 75362), (1029, 69210), (1323, 53830), (1470, 48447), (1538, 46305), (1715, 41526), (1890, 37681), (2058, 34605), (2205, 32298), (2307, 30870), (2646, 26915), (3087, 23070), (3430, 20763), (3845, 18522), (4410, 16149), (4614, 15435), (5145, 13842), (5383, 13230), (6174, 11535), (6615, 10766), (6921, 10290), (7690, 9261)]