81381870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{24439}}^1$

素因数の和:24489

約数の個数: 48

約数和(自身を含む): 217320480

約数和(自身を除く): 135938610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 24439, 48878, 73317, 122195, 146634, 219951, 244390, 366585, 439902, 733170, 904243, 1099755, 1808486, 2199510, 2712729, 4521215, 5425458, 8138187, 9042430, 13563645, 16276374, 27127290, 40690935, 81381870]

約数ペア:

[(1, 81381870), (2, 40690935), (3, 27127290), (5, 16276374), (6, 13563645), (9, 9042430), (10, 8138187), (15, 5425458), (18, 4521215), (30, 2712729), (37, 2199510), (45, 1808486), (74, 1099755), (90, 904243), (111, 733170), (185, 439902), (222, 366585), (333, 244390), (370, 219951), (555, 146634), (666, 122195), (1110, 73317), (1665, 48878), (3330, 24439)]