56721720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 187971840

約数和(自身を除く): 131250120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 194, 220, 264, 291, 330, 388, 440, 443, 485, 582, 660, 776, 886, 970, 1067, 1164, 1320, 1329, 1455, 1772, 1940, 2134, 2215, 2328, 2658, 2910, 3201, 3544, 3880, 4268, 4430, 4873, 5316, 5335, 5820, 6402, 6645, 8536, 8860, 9746, 10632, 10670, 11640, 12804, 13290, 14619, 16005, 17720, 19492, 21340, 24365, 25608, 26580, 29238, 32010, 38984, 42680, 42971, 48730, 53160, 58476, 64020, 73095, 85942, 97460, 116952, 128040, 128913, 146190, 171884, 194920, 214855, 257826, 292380, 343768, 429710, 472681, 515652, 584760, 644565, 859420, 945362, 1031304, 1289130, 1418043, 1718840, 1890724, 2363405, 2578260, 2836086, 3781448, 4726810, 5156520, 5672172, 7090215, 9453620, 11344344, 14180430, 18907240, 28360860, 56721720]

約数ペア:

[(1, 56721720), (2, 28360860), (3, 18907240), (4, 14180430), (5, 11344344), (6, 9453620), (8, 7090215), (10, 5672172), (11, 5156520), (12, 4726810), (15, 3781448), (20, 2836086), (22, 2578260), (24, 2363405), (30, 1890724), (33, 1718840), (40, 1418043), (44, 1289130), (55, 1031304), (60, 945362), (66, 859420), (88, 644565), (97, 584760), (110, 515652), (120, 472681), (132, 429710), (165, 343768), (194, 292380), (220, 257826), (264, 214855), (291, 194920), (330, 171884), (388, 146190), (440, 128913), (443, 128040), (485, 116952), (582, 97460), (660, 85942), (776, 73095), (886, 64020), (970, 58476), (1067, 53160), (1164, 48730), (1320, 42971), (1329, 42680), (1455, 38984), (1772, 32010), (1940, 29238), (2134, 26580), (2215, 25608), (2328, 24365), (2658, 21340), (2910, 19492), (3201, 17720), (3544, 16005), (3880, 14619), (4268, 13290), (4430, 12804), (4873, 11640), (5316, 10670), (5335, 10632), (5820, 9746), (6402, 8860), (6645, 8536)]