25712415

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 52228800

約数和(自身を除く): 26516385

約数列:

[1, 3, 5, 9, 15, 17, 19, 29, 45, 51, 57, 61, 85, 87, 95, 145, 153, 171, 183, 255, 261, 285, 305, 323, 435, 493, 549, 551, 765, 855, 915, 969, 1037, 1159, 1305, 1479, 1615, 1653, 1769, 2465, 2745, 2755, 2907, 3111, 3477, 4437, 4845, 4959, 5185, 5307, 5795, 7395, 8265, 8845, 9333, 9367, 10431, 14535, 15555, 15921, 17385, 19703, 22185, 24795, 26535, 28101, 30073, 33611, 46665, 46835, 52155, 59109, 79605, 84303, 90219, 98515, 100833, 140505, 150365, 168055, 177327, 270657, 295545, 302499, 421515, 451095, 504165, 571387, 886635, 1353285, 1512495, 1714161, 2856935, 5142483, 8570805, 25712415]

約数ペア:

[(1, 25712415), (3, 8570805), (5, 5142483), (9, 2856935), (15, 1714161), (17, 1512495), (19, 1353285), (29, 886635), (45, 571387), (51, 504165), (57, 451095), (61, 421515), (85, 302499), (87, 295545), (95, 270657), (145, 177327), (153, 168055), (171, 150365), (183, 140505), (255, 100833), (261, 98515), (285, 90219), (305, 84303), (323, 79605), (435, 59109), (493, 52155), (549, 46835), (551, 46665), (765, 33611), (855, 30073), (915, 28101), (969, 26535), (1037, 24795), (1159, 22185), (1305, 19703), (1479, 17385), (1615, 15921), (1653, 15555), (1769, 14535), (2465, 10431), (2745, 9367), (2755, 9333), (2907, 8845), (3111, 8265), (3477, 7395), (4437, 5795), (4845, 5307), (4959, 5185)]