1215708040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{11587}}^1$

素因数の和:11702

約数の個数: 64

約数和(自身を含む): 2845085760

約数和(自身を除く): 1629377720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 860, 1220, 1720, 2440, 2623, 5246, 10492, 11587, 13115, 20984, 23174, 26230, 46348, 52460, 57935, 92696, 104920, 115870, 231740, 463480, 498241, 706807, 996482, 1413614, 1992964, 2491205, 2827228, 3534035, 3985928, 4982410, 5654456, 7068070, 9964820, 14136140, 19929640, 28272280, 30392701, 60785402, 121570804, 151963505, 243141608, 303927010, 607854020, 1215708040]

約数ペア:

[(1, 1215708040), (2, 607854020), (4, 303927010), (5, 243141608), (8, 151963505), (10, 121570804), (20, 60785402), (40, 30392701), (43, 28272280), (61, 19929640), (86, 14136140), (122, 9964820), (172, 7068070), (215, 5654456), (244, 4982410), (305, 3985928), (344, 3534035), (430, 2827228), (488, 2491205), (610, 1992964), (860, 1413614), (1220, 996482), (1720, 706807), (2440, 498241), (2623, 463480), (5246, 231740), (10492, 115870), (11587, 104920), (13115, 92696), (20984, 57935), (23174, 52460), (26230, 46348)]