28666530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{719}}^1$

素因数の和:1175

約数の個数: 48

約数和(自身を含む): 74805120

約数和(自身を除く): 46138590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 443, 719, 886, 1329, 1438, 2157, 2215, 2658, 3595, 3987, 4314, 4430, 6471, 6645, 7190, 7974, 10785, 12942, 13290, 19935, 21570, 32355, 39870, 64710, 318517, 637034, 955551, 1592585, 1911102, 2866653, 3185170, 4777755, 5733306, 9555510, 14333265, 28666530]

約数ペア:

[(1, 28666530), (2, 14333265), (3, 9555510), (5, 5733306), (6, 4777755), (9, 3185170), (10, 2866653), (15, 1911102), (18, 1592585), (30, 955551), (45, 637034), (90, 318517), (443, 64710), (719, 39870), (886, 32355), (1329, 21570), (1438, 19935), (2157, 13290), (2215, 12942), (2658, 10785), (3595, 7974), (3987, 7190), (4314, 6645), (4430, 6471)]