261989424

素因数分解:

$2^4\times 3^3\times {\mathrm{139}}^1\times {\mathrm{4363}}^1$

素因数の和:4519

約数の個数: 80

約数和(自身を含む): 757590400

約数和(自身を除く): 495600976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 139, 144, 216, 278, 417, 432, 556, 834, 1112, 1251, 1668, 2224, 2502, 3336, 3753, 4363, 5004, 6672, 7506, 8726, 10008, 13089, 15012, 17452, 20016, 26178, 30024, 34904, 39267, 52356, 60048, 69808, 78534, 104712, 117801, 157068, 209424, 235602, 314136, 471204, 606457, 628272, 942408, 1212914, 1819371, 1884816, 2425828, 3638742, 4851656, 5458113, 7277484, 9703312, 10916226, 14554968, 16374339, 21832452, 29109936, 32748678, 43664904, 65497356, 87329808, 130994712, 261989424]

約数ペア:

[(1, 261989424), (2, 130994712), (3, 87329808), (4, 65497356), (6, 43664904), (8, 32748678), (9, 29109936), (12, 21832452), (16, 16374339), (18, 14554968), (24, 10916226), (27, 9703312), (36, 7277484), (48, 5458113), (54, 4851656), (72, 3638742), (108, 2425828), (139, 1884816), (144, 1819371), (216, 1212914), (278, 942408), (417, 628272), (432, 606457), (556, 471204), (834, 314136), (1112, 235602), (1251, 209424), (1668, 157068), (2224, 117801), (2502, 104712), (3336, 78534), (3753, 69808), (4363, 60048), (5004, 52356), (6672, 39267), (7506, 34904), (8726, 30024), (10008, 26178), (13089, 20016), (15012, 17452)]