72319695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 137604096

約数和(自身を除く): 65284401

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 107, 123, 157, 205, 287, 321, 471, 535, 615, 749, 785, 861, 1099, 1435, 1605, 2247, 2355, 3297, 3745, 4305, 4387, 5495, 6437, 11235, 13161, 16485, 16799, 19311, 21935, 30709, 32185, 45059, 50397, 65805, 83995, 92127, 96555, 117593, 135177, 153545, 225295, 251985, 352779, 460635, 587965, 675885, 688759, 1763895, 2066277, 3443795, 4821313, 10331385, 14463939, 24106565, 72319695]

約数ペア:

[(1, 72319695), (3, 24106565), (5, 14463939), (7, 10331385), (15, 4821313), (21, 3443795), (35, 2066277), (41, 1763895), (105, 688759), (107, 675885), (123, 587965), (157, 460635), (205, 352779), (287, 251985), (321, 225295), (471, 153545), (535, 135177), (615, 117593), (749, 96555), (785, 92127), (861, 83995), (1099, 65805), (1435, 50397), (1605, 45059), (2247, 32185), (2355, 30709), (3297, 21935), (3745, 19311), (4305, 16799), (4387, 16485), (5495, 13161), (6437, 11235)]