404406180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8951}}^1$

素因数の和:9217

約数の個数: 72

約数和(自身を含む): 1231723584

約数和(自身を除く): 827317404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 7530, 8951, 9036, 11295, 15060, 17902, 22590, 26853, 35804, 44755, 45180, 53706, 80559, 89510, 107412, 134265, 161118, 179020, 268530, 322236, 402795, 537060, 805590, 1611180, 2246701, 4493402, 6740103, 8986804, 11233505, 13480206, 20220309, 22467010, 26960412, 33700515, 40440618, 44934020, 67401030, 80881236, 101101545, 134802060, 202203090, 404406180]

約数ペア:

[(1, 404406180), (2, 202203090), (3, 134802060), (4, 101101545), (5, 80881236), (6, 67401030), (9, 44934020), (10, 40440618), (12, 33700515), (15, 26960412), (18, 22467010), (20, 20220309), (30, 13480206), (36, 11233505), (45, 8986804), (60, 6740103), (90, 4493402), (180, 2246701), (251, 1611180), (502, 805590), (753, 537060), (1004, 402795), (1255, 322236), (1506, 268530), (2259, 179020), (2510, 161118), (3012, 134265), (3765, 107412), (4518, 89510), (5020, 80559), (7530, 53706), (8951, 45180), (9036, 44755), (11295, 35804), (15060, 26853), (17902, 22590)]