78643320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 271434240

約数和(自身を除く): 192790920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 280, 373, 420, 502, 746, 753, 840, 1004, 1119, 1255, 1492, 1506, 1757, 1865, 2008, 2238, 2510, 2611, 2984, 3012, 3514, 3730, 3765, 4476, 5020, 5222, 5271, 5595, 6024, 7028, 7460, 7530, 7833, 8785, 8952, 10040, 10444, 10542, 11190, 13055, 14056, 14920, 15060, 15666, 17570, 20888, 21084, 22380, 26110, 26355, 30120, 31332, 35140, 39165, 42168, 44760, 52220, 52710, 62664, 70280, 78330, 93623, 104440, 105420, 156660, 187246, 210840, 280869, 313320, 374492, 468115, 561738, 655361, 748984, 936230, 1123476, 1310722, 1404345, 1872460, 1966083, 2246952, 2621444, 2808690, 3276805, 3744920, 3932166, 5242888, 5617380, 6553610, 7864332, 9830415, 11234760, 13107220, 15728664, 19660830, 26214440, 39321660, 78643320]

約数ペア:

[(1, 78643320), (2, 39321660), (3, 26214440), (4, 19660830), (5, 15728664), (6, 13107220), (7, 11234760), (8, 9830415), (10, 7864332), (12, 6553610), (14, 5617380), (15, 5242888), (20, 3932166), (21, 3744920), (24, 3276805), (28, 2808690), (30, 2621444), (35, 2246952), (40, 1966083), (42, 1872460), (56, 1404345), (60, 1310722), (70, 1123476), (84, 936230), (105, 748984), (120, 655361), (140, 561738), (168, 468115), (210, 374492), (251, 313320), (280, 280869), (373, 210840), (420, 187246), (502, 156660), (746, 105420), (753, 104440), (840, 93623), (1004, 78330), (1119, 70280), (1255, 62664), (1492, 52710), (1506, 52220), (1757, 44760), (1865, 42168), (2008, 39165), (2238, 35140), (2510, 31332), (2611, 30120), (2984, 26355), (3012, 26110), (3514, 22380), (3730, 21084), (3765, 20888), (4476, 17570), (5020, 15666), (5222, 15060), (5271, 14920), (5595, 14056), (6024, 13055), (7028, 11190), (7460, 10542), (7530, 10444), (7833, 10040), (8785, 8952)]