165722920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2399}}^1$

素因数の和:2578

約数の個数: 64

約数和(自身を含む): 409536000

約数和(自身を除く): 243813080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 2399, 3140, 3454, 4798, 6280, 6908, 8635, 9596, 11995, 13816, 17270, 19192, 23990, 26389, 34540, 47980, 52778, 69080, 95960, 105556, 131945, 211112, 263890, 376643, 527780, 753286, 1055560, 1506572, 1883215, 3013144, 3766430, 4143073, 7532860, 8286146, 15065720, 16572292, 20715365, 33144584, 41430730, 82861460, 165722920]

約数ペア:

[(1, 165722920), (2, 82861460), (4, 41430730), (5, 33144584), (8, 20715365), (10, 16572292), (11, 15065720), (20, 8286146), (22, 7532860), (40, 4143073), (44, 3766430), (55, 3013144), (88, 1883215), (110, 1506572), (157, 1055560), (220, 753286), (314, 527780), (440, 376643), (628, 263890), (785, 211112), (1256, 131945), (1570, 105556), (1727, 95960), (2399, 69080), (3140, 52778), (3454, 47980), (4798, 34540), (6280, 26389), (6908, 23990), (8635, 19192), (9596, 17270), (11995, 13816)]