21785878320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{146647}}^1$

素因数の和:147282

約数の個数: 80

約数和(自身を含む): 67645789440

約数和(自身を除く): 45859911120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 619, 1238, 1857, 2476, 3095, 3714, 4952, 6190, 7428, 9285, 9904, 12380, 14856, 18570, 24760, 29712, 37140, 49520, 74280, 146647, 148560, 293294, 439941, 586588, 733235, 879882, 1173176, 1466470, 1759764, 2199705, 2346352, 2932940, 3519528, 4399410, 5865880, 7039056, 8798820, 11731760, 17597640, 35195280, 90774493, 181548986, 272323479, 363097972, 453872465, 544646958, 726195944, 907744930, 1089293916, 1361617395, 1452391888, 1815489860, 2178587832, 2723234790, 3630979720, 4357175664, 5446469580, 7261959440, 10892939160, 21785878320]

約数ペア:

[(1, 21785878320), (2, 10892939160), (3, 7261959440), (4, 5446469580), (5, 4357175664), (6, 3630979720), (8, 2723234790), (10, 2178587832), (12, 1815489860), (15, 1452391888), (16, 1361617395), (20, 1089293916), (24, 907744930), (30, 726195944), (40, 544646958), (48, 453872465), (60, 363097972), (80, 272323479), (120, 181548986), (240, 90774493), (619, 35195280), (1238, 17597640), (1857, 11731760), (2476, 8798820), (3095, 7039056), (3714, 5865880), (4952, 4399410), (6190, 3519528), (7428, 2932940), (9285, 2346352), (9904, 2199705), (12380, 1759764), (14856, 1466470), (18570, 1173176), (24760, 879882), (29712, 733235), (37140, 586588), (49520, 439941), (74280, 293294), (146647, 148560)]