30312920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6263}}^1$

素因数の和:6296

約数の個数: 48

約数和(自身を含む): 74980080

約数和(自身を除く): 44667160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 6263, 12526, 25052, 31315, 50104, 62630, 68893, 125260, 137786, 250520, 275572, 344465, 551144, 688930, 757823, 1377860, 1515646, 2755720, 3031292, 3789115, 6062584, 7578230, 15156460, 30312920]

約数ペア:

[(1, 30312920), (2, 15156460), (4, 7578230), (5, 6062584), (8, 3789115), (10, 3031292), (11, 2755720), (20, 1515646), (22, 1377860), (40, 757823), (44, 688930), (55, 551144), (88, 344465), (110, 275572), (121, 250520), (220, 137786), (242, 125260), (440, 68893), (484, 62630), (605, 50104), (968, 31315), (1210, 25052), (2420, 12526), (4840, 6263)]