1732280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 4423680

約数和(自身を除く): 2691400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 127, 155, 220, 248, 254, 310, 341, 440, 508, 620, 635, 682, 1016, 1240, 1270, 1364, 1397, 1705, 2540, 2728, 2794, 3410, 3937, 5080, 5588, 6820, 6985, 7874, 11176, 13640, 13970, 15748, 19685, 27940, 31496, 39370, 43307, 55880, 78740, 86614, 157480, 173228, 216535, 346456, 433070, 866140, 1732280]

約数ペア:

[(1, 1732280), (2, 866140), (4, 433070), (5, 346456), (8, 216535), (10, 173228), (11, 157480), (20, 86614), (22, 78740), (31, 55880), (40, 43307), (44, 39370), (55, 31496), (62, 27940), (88, 19685), (110, 15748), (124, 13970), (127, 13640), (155, 11176), (220, 7874), (248, 6985), (254, 6820), (310, 5588), (341, 5080), (440, 3937), (508, 3410), (620, 2794), (635, 2728), (682, 2540), (1016, 1705), (1240, 1397), (1270, 1364)]