40824

素因数分解:

$2^3\times 3^6\times 7^1$

素因数の和:31

約数の個数: 56

約数和(自身を含む): 131160

約数和(自身を除く): 90336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 729, 756, 972, 1134, 1458, 1512, 1701, 1944, 2268, 2916, 3402, 4536, 5103, 5832, 6804, 10206, 13608, 20412, 40824]

約数ペア:

[(1, 40824), (2, 20412), (3, 13608), (4, 10206), (6, 6804), (7, 5832), (8, 5103), (9, 4536), (12, 3402), (14, 2916), (18, 2268), (21, 1944), (24, 1701), (27, 1512), (28, 1458), (36, 1134), (42, 972), (54, 756), (56, 729), (63, 648), (72, 567), (81, 504), (84, 486), (108, 378), (126, 324), (162, 252), (168, 243), (189, 216)]