644041680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{3929}}^1$

素因数の和:4628

約数の個数: 80

約数和(自身を含む): 1999961280

約数和(自身を除く): 1355919600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 683, 1366, 2049, 2732, 3415, 3929, 4098, 5464, 6830, 7858, 8196, 10245, 10928, 11787, 13660, 15716, 16392, 19645, 20490, 23574, 27320, 31432, 32784, 39290, 40980, 47148, 54640, 58935, 62864, 78580, 81960, 94296, 117870, 157160, 163920, 188592, 235740, 314320, 471480, 942960, 2683507, 5367014, 8050521, 10734028, 13417535, 16101042, 21468056, 26835070, 32202084, 40252605, 42936112, 53670140, 64404168, 80505210, 107340280, 128808336, 161010420, 214680560, 322020840, 644041680]

約数ペア:

[(1, 644041680), (2, 322020840), (3, 214680560), (4, 161010420), (5, 128808336), (6, 107340280), (8, 80505210), (10, 64404168), (12, 53670140), (15, 42936112), (16, 40252605), (20, 32202084), (24, 26835070), (30, 21468056), (40, 16101042), (48, 13417535), (60, 10734028), (80, 8050521), (120, 5367014), (240, 2683507), (683, 942960), (1366, 471480), (2049, 314320), (2732, 235740), (3415, 188592), (3929, 163920), (4098, 157160), (5464, 117870), (6830, 94296), (7858, 81960), (8196, 78580), (10245, 62864), (10928, 58935), (11787, 54640), (13660, 47148), (15716, 40980), (16392, 39290), (19645, 32784), (20490, 31432), (23574, 27320)]