28431270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{307}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 88704000

約数和(自身を除く): 60272730

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, 307, 315, 343, 378, 441, 490, 614, 630, 686, 735, 882, 921, 945, 1029, 1323, 1470, 1535, 1715, 1842, 1890, 2058, 2149, 2205, 2646, 2763, 3070, 3087, 3430, 4298, 4410, 4605, 5145, 5526, 6174, 6447, 6615, 8289, 9210, 9261, 10290, 10745, 12894, 13230, 13815, 15043, 15435, 16578, 18522, 19341, 21490, 27630, 30086, 30870, 32235, 38682, 41445, 45129, 46305, 58023, 64470, 75215, 82890, 90258, 92610, 96705, 105301, 116046, 135387, 150430, 193410, 210602, 225645, 270774, 290115, 315903, 406161, 451290, 526505, 580230, 631806, 676935, 812322, 947709, 1053010, 1353870, 1579515, 1895418, 2030805, 2843127, 3159030, 4061610, 4738545, 5686254, 9477090, 14215635, 28431270]

約数ペア:

[(1, 28431270), (2, 14215635), (3, 9477090), (5, 5686254), (6, 4738545), (7, 4061610), (9, 3159030), (10, 2843127), (14, 2030805), (15, 1895418), (18, 1579515), (21, 1353870), (27, 1053010), (30, 947709), (35, 812322), (42, 676935), (45, 631806), (49, 580230), (54, 526505), (63, 451290), (70, 406161), (90, 315903), (98, 290115), (105, 270774), (126, 225645), (135, 210602), (147, 193410), (189, 150430), (210, 135387), (245, 116046), (270, 105301), (294, 96705), (307, 92610), (315, 90258), (343, 82890), (378, 75215), (441, 64470), (490, 58023), (614, 46305), (630, 45129), (686, 41445), (735, 38682), (882, 32235), (921, 30870), (945, 30086), (1029, 27630), (1323, 21490), (1470, 19341), (1535, 18522), (1715, 16578), (1842, 15435), (1890, 15043), (2058, 13815), (2149, 13230), (2205, 12894), (2646, 10745), (2763, 10290), (3070, 9261), (3087, 9210), (3430, 8289), (4298, 6615), (4410, 6447), (4605, 6174), (5145, 5526)]