81636180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28949}}^1$

素因数の和:29008

約数の個数: 48

約数和(自身を含む): 233452800

約数和(自身を除く): 151816620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 28949, 57898, 86847, 115796, 144745, 173694, 289490, 347388, 434235, 578980, 868470, 1360603, 1736940, 2721206, 4081809, 5442412, 6803015, 8163618, 13606030, 16327236, 20409045, 27212060, 40818090, 81636180]

約数ペア:

[(1, 81636180), (2, 40818090), (3, 27212060), (4, 20409045), (5, 16327236), (6, 13606030), (10, 8163618), (12, 6803015), (15, 5442412), (20, 4081809), (30, 2721206), (47, 1736940), (60, 1360603), (94, 868470), (141, 578980), (188, 434235), (235, 347388), (282, 289490), (470, 173694), (564, 144745), (705, 115796), (940, 86847), (1410, 57898), (2820, 28949)]