201779280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{280249}}^1$

素因数の和:280268

約数の個数: 60

約数和(自身を含む): 677644500

約数和(自身を除く): 475865220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 280249, 560498, 840747, 1120996, 1401245, 1681494, 2241992, 2522241, 2802490, 3362988, 4203735, 4483984, 5044482, 5604980, 6725976, 8407470, 10088964, 11209960, 12611205, 13451952, 16814940, 20177928, 22419920, 25222410, 33629880, 40355856, 50444820, 67259760, 100889640, 201779280]

約数ペア:

[(1, 201779280), (2, 100889640), (3, 67259760), (4, 50444820), (5, 40355856), (6, 33629880), (8, 25222410), (9, 22419920), (10, 20177928), (12, 16814940), (15, 13451952), (16, 12611205), (18, 11209960), (20, 10088964), (24, 8407470), (30, 6725976), (36, 5604980), (40, 5044482), (45, 4483984), (48, 4203735), (60, 3362988), (72, 2802490), (80, 2522241), (90, 2241992), (120, 1681494), (144, 1401245), (180, 1120996), (240, 840747), (360, 560498), (720, 280249)]