30872440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1459}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 72664200

約数和(自身を除く): 41791760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 1459, 2116, 2645, 2918, 4232, 5290, 5836, 7295, 10580, 11672, 14590, 21160, 29180, 33557, 58360, 67114, 134228, 167785, 268456, 335570, 671140, 771811, 1342280, 1543622, 3087244, 3859055, 6174488, 7718110, 15436220, 30872440]

約数ペア:

[(1, 30872440), (2, 15436220), (4, 7718110), (5, 6174488), (8, 3859055), (10, 3087244), (20, 1543622), (23, 1342280), (40, 771811), (46, 671140), (92, 335570), (115, 268456), (184, 167785), (230, 134228), (460, 67114), (529, 58360), (920, 33557), (1058, 29180), (1459, 21160), (2116, 14590), (2645, 11672), (2918, 10580), (4232, 7295), (5290, 5836)]