64209075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 131658240

約数和(自身を除く): 67449165

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 41, 57, 75, 95, 105, 123, 133, 157, 175, 205, 285, 287, 399, 471, 475, 525, 615, 665, 779, 785, 861, 1025, 1099, 1425, 1435, 1995, 2337, 2355, 2983, 3075, 3297, 3325, 3895, 3925, 4305, 5453, 5495, 6437, 7175, 8949, 9975, 11685, 11775, 14915, 16359, 16485, 19311, 19475, 20881, 21525, 27265, 27475, 32185, 44745, 45059, 58425, 62643, 74575, 81795, 82425, 96555, 104405, 122303, 135177, 136325, 160925, 223725, 225295, 313215, 366909, 408975, 482775, 522025, 611515, 675885, 856121, 1126475, 1566075, 1834545, 2568363, 3057575, 3379425, 4280605, 9172725, 12841815, 21403025, 64209075]

約数ペア:

[(1, 64209075), (3, 21403025), (5, 12841815), (7, 9172725), (15, 4280605), (19, 3379425), (21, 3057575), (25, 2568363), (35, 1834545), (41, 1566075), (57, 1126475), (75, 856121), (95, 675885), (105, 611515), (123, 522025), (133, 482775), (157, 408975), (175, 366909), (205, 313215), (285, 225295), (287, 223725), (399, 160925), (471, 136325), (475, 135177), (525, 122303), (615, 104405), (665, 96555), (779, 82425), (785, 81795), (861, 74575), (1025, 62643), (1099, 58425), (1425, 45059), (1435, 44745), (1995, 32185), (2337, 27475), (2355, 27265), (2983, 21525), (3075, 20881), (3297, 19475), (3325, 19311), (3895, 16485), (3925, 16359), (4305, 14915), (5453, 11775), (5495, 11685), (6437, 9975), (7175, 8949)]