64861280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 169011360

約数和(自身を除く): 104150080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 137, 160, 176, 220, 269, 274, 352, 440, 538, 548, 685, 880, 1076, 1096, 1345, 1370, 1507, 1760, 2152, 2192, 2690, 2740, 2959, 3014, 4304, 4384, 5380, 5480, 5918, 6028, 7535, 8608, 10760, 10960, 11836, 12056, 14795, 15070, 21520, 21920, 23672, 24112, 29590, 30140, 36853, 43040, 47344, 48224, 59180, 60280, 73706, 94688, 118360, 120560, 147412, 184265, 236720, 241120, 294824, 368530, 405383, 473440, 589648, 737060, 810766, 1179296, 1474120, 1621532, 2026915, 2948240, 3243064, 4053830, 5896480, 6486128, 8107660, 12972256, 16215320, 32430640, 64861280]

約数ペア:

[(1, 64861280), (2, 32430640), (4, 16215320), (5, 12972256), (8, 8107660), (10, 6486128), (11, 5896480), (16, 4053830), (20, 3243064), (22, 2948240), (32, 2026915), (40, 1621532), (44, 1474120), (55, 1179296), (80, 810766), (88, 737060), (110, 589648), (137, 473440), (160, 405383), (176, 368530), (220, 294824), (269, 241120), (274, 236720), (352, 184265), (440, 147412), (538, 120560), (548, 118360), (685, 94688), (880, 73706), (1076, 60280), (1096, 59180), (1345, 48224), (1370, 47344), (1507, 43040), (1760, 36853), (2152, 30140), (2192, 29590), (2690, 24112), (2740, 23672), (2959, 21920), (3014, 21520), (4304, 15070), (4384, 14795), (5380, 12056), (5480, 11836), (5918, 10960), (6028, 10760), (7535, 8608)]