71578415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 32931025

約数列:

[1, 5, 17, 19, 23, 41, 47, 85, 95, 115, 205, 235, 323, 391, 437, 697, 779, 799, 893, 943, 1081, 1615, 1927, 1955, 2185, 3485, 3895, 3995, 4465, 4715, 5405, 7429, 9635, 13243, 15181, 16031, 17917, 18377, 20539, 32759, 36613, 37145, 44321, 66215, 75905, 80155, 89585, 91885, 102695, 163795, 183065, 221605, 304589, 349163, 622421, 753457, 842099, 1522945, 1745815, 3112105, 3767285, 4210495, 14315683, 71578415]

約数ペア:

[(1, 71578415), (5, 14315683), (17, 4210495), (19, 3767285), (23, 3112105), (41, 1745815), (47, 1522945), (85, 842099), (95, 753457), (115, 622421), (205, 349163), (235, 304589), (323, 221605), (391, 183065), (437, 163795), (697, 102695), (779, 91885), (799, 89585), (893, 80155), (943, 75905), (1081, 66215), (1615, 44321), (1927, 37145), (1955, 36613), (2185, 32759), (3485, 20539), (3895, 18377), (3995, 17917), (4465, 16031), (4715, 15181), (5405, 13243), (7429, 9635)]