81750540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71711}}^1$

素因数の和:71742

約数の個数: 48

約数和(自身を含む): 240952320

約数和(自身を除く): 159201780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71711, 143422, 215133, 286844, 358555, 430266, 717110, 860532, 1075665, 1362509, 1434220, 2151330, 2725018, 4087527, 4302660, 5450036, 6812545, 8175054, 13625090, 16350108, 20437635, 27250180, 40875270, 81750540]

約数ペア:

[(1, 81750540), (2, 40875270), (3, 27250180), (4, 20437635), (5, 16350108), (6, 13625090), (10, 8175054), (12, 6812545), (15, 5450036), (19, 4302660), (20, 4087527), (30, 2725018), (38, 2151330), (57, 1434220), (60, 1362509), (76, 1075665), (95, 860532), (114, 717110), (190, 430266), (228, 358555), (285, 286844), (380, 215133), (570, 143422), (1140, 71711)]