81621480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29573}}^1$

素因数の和:29610

約数の個数: 64

約数和(自身を含む): 255519360

約数和(自身を除く): 173897880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29573, 59146, 88719, 118292, 147865, 177438, 236584, 295730, 354876, 443595, 591460, 680179, 709752, 887190, 1182920, 1360358, 1774380, 2040537, 2720716, 3400895, 3548760, 4081074, 5441432, 6801790, 8162148, 10202685, 13603580, 16324296, 20405370, 27207160, 40810740, 81621480]

約数ペア:

[(1, 81621480), (2, 40810740), (3, 27207160), (4, 20405370), (5, 16324296), (6, 13603580), (8, 10202685), (10, 8162148), (12, 6801790), (15, 5441432), (20, 4081074), (23, 3548760), (24, 3400895), (30, 2720716), (40, 2040537), (46, 1774380), (60, 1360358), (69, 1182920), (92, 887190), (115, 709752), (120, 680179), (138, 591460), (184, 443595), (230, 354876), (276, 295730), (345, 236584), (460, 177438), (552, 147865), (690, 118292), (920, 88719), (1380, 59146), (2760, 29573)]