2891759920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{87523}}^1$

素因数の和:87602

約数の個数: 80

約数和(自身を含む): 7814142720

約数和(自身を除く): 4922382800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1652, 2065, 2360, 3304, 4130, 4720, 6608, 8260, 16520, 33040, 87523, 175046, 350092, 437615, 612661, 700184, 875230, 1225322, 1400368, 1750460, 2450644, 3063305, 3500920, 4901288, 5163857, 6126610, 7001840, 9802576, 10327714, 12253220, 20655428, 24506440, 25819285, 36146999, 41310856, 49012880, 51638570, 72293998, 82621712, 103277140, 144587996, 180734995, 206554280, 289175992, 361469990, 413108560, 578351984, 722939980, 1445879960, 2891759920]

約数ペア:

[(1, 2891759920), (2, 1445879960), (4, 722939980), (5, 578351984), (7, 413108560), (8, 361469990), (10, 289175992), (14, 206554280), (16, 180734995), (20, 144587996), (28, 103277140), (35, 82621712), (40, 72293998), (56, 51638570), (59, 49012880), (70, 41310856), (80, 36146999), (112, 25819285), (118, 24506440), (140, 20655428), (236, 12253220), (280, 10327714), (295, 9802576), (413, 7001840), (472, 6126610), (560, 5163857), (590, 4901288), (826, 3500920), (944, 3063305), (1180, 2450644), (1652, 1750460), (2065, 1400368), (2360, 1225322), (3304, 875230), (4130, 700184), (4720, 612661), (6608, 437615), (8260, 350092), (16520, 175046), (33040, 87523)]