128861760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:788

約数の個数: 112

約数和(自身を含む): 411480000

約数和(自身を除く): 282618240

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, 269, 320, 480, 499, 538, 807, 960, 998, 1076, 1345, 1497, 1614, 1996, 2152, 2495, 2690, 2994, 3228, 3992, 4035, 4304, 4990, 5380, 5988, 6456, 7485, 7984, 8070, 8608, 9980, 10760, 11976, 12912, 14970, 15968, 16140, 17216, 19960, 21520, 23952, 25824, 29940, 31936, 32280, 39920, 43040, 47904, 51648, 59880, 64560, 79840, 86080, 95808, 119760, 129120, 134231, 159680, 239520, 258240, 268462, 402693, 479040, 536924, 671155, 805386, 1073848, 1342310, 1610772, 2013465, 2147696, 2684620, 3221544, 4026930, 4295392, 5369240, 6443088, 8053860, 8590784, 10738480, 12886176, 16107720, 21476960, 25772352, 32215440, 42953920, 64430880, 128861760]

約数ペア:

[(1, 128861760), (2, 64430880), (3, 42953920), (4, 32215440), (5, 25772352), (6, 21476960), (8, 16107720), (10, 12886176), (12, 10738480), (15, 8590784), (16, 8053860), (20, 6443088), (24, 5369240), (30, 4295392), (32, 4026930), (40, 3221544), (48, 2684620), (60, 2147696), (64, 2013465), (80, 1610772), (96, 1342310), (120, 1073848), (160, 805386), (192, 671155), (240, 536924), (269, 479040), (320, 402693), (480, 268462), (499, 258240), (538, 239520), (807, 159680), (960, 134231), (998, 129120), (1076, 119760), (1345, 95808), (1497, 86080), (1614, 79840), (1996, 64560), (2152, 59880), (2495, 51648), (2690, 47904), (2994, 43040), (3228, 39920), (3992, 32280), (4035, 31936), (4304, 29940), (4990, 25824), (5380, 23952), (5988, 21520), (6456, 19960), (7485, 17216), (7984, 16140), (8070, 15968), (8608, 14970), (9980, 12912), (10760, 11976)]