12721024320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{20047}}^1$

素因数の和:20728

約数の個数: 112

約数和(自身を含む): 40452373248

約数和(自身を除く): 27731348928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 661, 960, 1322, 1983, 2644, 3305, 3966, 5288, 6610, 7932, 9915, 10576, 13220, 15864, 19830, 20047, 21152, 26440, 31728, 39660, 40094, 42304, 52880, 60141, 63456, 79320, 80188, 100235, 105760, 120282, 126912, 158640, 160376, 200470, 211520, 240564, 300705, 317280, 320752, 400940, 481128, 601410, 634560, 641504, 801880, 962256, 1202820, 1283008, 1603760, 1924512, 2405640, 3207520, 3849024, 4811280, 6415040, 9622560, 13251067, 19245120, 26502134, 39753201, 53004268, 66255335, 79506402, 106008536, 132510670, 159012804, 198766005, 212017072, 265021340, 318025608, 397532010, 424034144, 530042680, 636051216, 795064020, 848068288, 1060085360, 1272102432, 1590128040, 2120170720, 2544204864, 3180256080, 4240341440, 6360512160, 12721024320]

約数ペア:

[(1, 12721024320), (2, 6360512160), (3, 4240341440), (4, 3180256080), (5, 2544204864), (6, 2120170720), (8, 1590128040), (10, 1272102432), (12, 1060085360), (15, 848068288), (16, 795064020), (20, 636051216), (24, 530042680), (30, 424034144), (32, 397532010), (40, 318025608), (48, 265021340), (60, 212017072), (64, 198766005), (80, 159012804), (96, 132510670), (120, 106008536), (160, 79506402), (192, 66255335), (240, 53004268), (320, 39753201), (480, 26502134), (661, 19245120), (960, 13251067), (1322, 9622560), (1983, 6415040), (2644, 4811280), (3305, 3849024), (3966, 3207520), (5288, 2405640), (6610, 1924512), (7932, 1603760), (9915, 1283008), (10576, 1202820), (13220, 962256), (15864, 801880), (19830, 641504), (20047, 634560), (21152, 601410), (26440, 481128), (31728, 400940), (39660, 320752), (40094, 317280), (42304, 300705), (52880, 240564), (60141, 211520), (63456, 200470), (79320, 160376), (80188, 158640), (100235, 126912), (105760, 120282)]