64845765

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 125055840

約数和(自身を除く): 60210075

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 53, 57, 81, 95, 135, 159, 171, 243, 265, 285, 405, 477, 513, 795, 855, 1007, 1215, 1431, 1539, 2385, 2565, 2809, 3021, 4293, 4617, 5035, 7155, 7695, 8427, 9063, 12879, 14045, 15105, 21465, 23085, 25281, 27189, 42135, 45315, 53371, 64395, 75843, 81567, 126405, 135945, 160113, 227529, 244701, 266855, 379215, 407835, 480339, 682587, 800565, 1137645, 1223505, 1441017, 2401695, 3412935, 4323051, 7205085, 12969153, 21615255, 64845765]

約数ペア:

[(1, 64845765), (3, 21615255), (5, 12969153), (9, 7205085), (15, 4323051), (19, 3412935), (27, 2401695), (45, 1441017), (53, 1223505), (57, 1137645), (81, 800565), (95, 682587), (135, 480339), (159, 407835), (171, 379215), (243, 266855), (265, 244701), (285, 227529), (405, 160113), (477, 135945), (513, 126405), (795, 81567), (855, 75843), (1007, 64395), (1215, 53371), (1431, 45315), (1539, 42135), (2385, 27189), (2565, 25281), (2809, 23085), (3021, 21465), (4293, 15105), (4617, 14045), (5035, 12879), (7155, 9063), (7695, 8427)]