1281606720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{1335007}}^1$

素因数の和:1335027

約数の個数: 56

約数和(自身を含む): 4069104384

約数和(自身を除く): 2787497664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 1335007, 2670014, 4005021, 5340028, 6675035, 8010042, 10680056, 13350070, 16020084, 20025105, 21360112, 26700140, 32040168, 40050210, 42720224, 53400280, 64080336, 80100420, 85440448, 106800560, 128160672, 160200840, 213601120, 256321344, 320401680, 427202240, 640803360, 1281606720]

約数ペア:

[(1, 1281606720), (2, 640803360), (3, 427202240), (4, 320401680), (5, 256321344), (6, 213601120), (8, 160200840), (10, 128160672), (12, 106800560), (15, 85440448), (16, 80100420), (20, 64080336), (24, 53400280), (30, 42720224), (32, 40050210), (40, 32040168), (48, 26700140), (60, 21360112), (64, 20025105), (80, 16020084), (96, 13350070), (120, 10680056), (160, 8010042), (192, 6675035), (240, 5340028), (320, 4005021), (480, 2670014), (960, 1335007)]