1281605040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1780007}}^1$

素因数の和:1780026

約数の個数: 60

約数和(自身を含む): 4304059344

約数和(自身を除く): 3022454304

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, 1780007, 3560014, 5340021, 7120028, 8900035, 10680042, 14240056, 16020063, 17800070, 21360084, 26700105, 28480112, 32040126, 35600140, 42720168, 53400210, 64080252, 71200280, 80100315, 85440336, 106800420, 128160504, 142400560, 160200630, 213600840, 256321008, 320401260, 427201680, 640802520, 1281605040]

約数ペア:

[(1, 1281605040), (2, 640802520), (3, 427201680), (4, 320401260), (5, 256321008), (6, 213600840), (8, 160200630), (9, 142400560), (10, 128160504), (12, 106800420), (15, 85440336), (16, 80100315), (18, 71200280), (20, 64080252), (24, 53400210), (30, 42720168), (36, 35600140), (40, 32040126), (45, 28480112), (48, 26700105), (60, 21360084), (72, 17800070), (80, 16020063), (90, 14240056), (120, 10680042), (144, 8900035), (180, 7120028), (240, 5340021), (360, 3560014), (720, 1780007)]