128155440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76283}}^1$

素因数の和:76306

約数の個数: 80

約数和(自身を含む): 454042368

約数和(自身を除く): 325886928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76283, 152566, 228849, 305132, 381415, 457698, 533981, 610264, 762830, 915396, 1067962, 1144245, 1220528, 1525660, 1601943, 1830792, 2135924, 2288490, 2669905, 3051320, 3203886, 3661584, 4271848, 4576980, 5339810, 6102640, 6407772, 8009715, 8543696, 9153960, 10679620, 12815544, 16019430, 18307920, 21359240, 25631088, 32038860, 42718480, 64077720, 128155440]

約数ペア:

[(1, 128155440), (2, 64077720), (3, 42718480), (4, 32038860), (5, 25631088), (6, 21359240), (7, 18307920), (8, 16019430), (10, 12815544), (12, 10679620), (14, 9153960), (15, 8543696), (16, 8009715), (20, 6407772), (21, 6102640), (24, 5339810), (28, 4576980), (30, 4271848), (35, 3661584), (40, 3203886), (42, 3051320), (48, 2669905), (56, 2288490), (60, 2135924), (70, 1830792), (80, 1601943), (84, 1525660), (105, 1220528), (112, 1144245), (120, 1067962), (140, 915396), (168, 762830), (210, 610264), (240, 533981), (280, 457698), (336, 381415), (420, 305132), (560, 228849), (840, 152566), (1680, 76283)]