320183676

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 831855024

約数和(自身を除く): 511671348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 397, 516, 521, 774, 794, 1042, 1191, 1548, 1563, 1588, 2084, 2382, 3126, 3573, 4689, 4764, 6252, 7146, 9378, 14292, 17071, 18756, 22403, 34142, 44806, 51213, 67209, 68284, 89612, 102426, 134418, 153639, 201627, 204852, 206837, 268836, 307278, 403254, 413674, 614556, 620511, 806508, 827348, 1241022, 1861533, 2482044, 3723066, 7446132, 8893991, 17787982, 26681973, 35575964, 53363946, 80045919, 106727892, 160091838, 320183676]

約数ペア:

[(1, 320183676), (2, 160091838), (3, 106727892), (4, 80045919), (6, 53363946), (9, 35575964), (12, 26681973), (18, 17787982), (36, 8893991), (43, 7446132), (86, 3723066), (129, 2482044), (172, 1861533), (258, 1241022), (387, 827348), (397, 806508), (516, 620511), (521, 614556), (774, 413674), (794, 403254), (1042, 307278), (1191, 268836), (1548, 206837), (1563, 204852), (1588, 201627), (2084, 153639), (2382, 134418), (3126, 102426), (3573, 89612), (4689, 68284), (4764, 67209), (6252, 51213), (7146, 44806), (9378, 34142), (14292, 22403), (17071, 18756)]