79938880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 112

約数和(自身を含む): 220041216

約数和(自身を除く): 140102336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 140, 160, 224, 254, 280, 281, 320, 448, 508, 560, 562, 635, 889, 1016, 1120, 1124, 1270, 1405, 1778, 1967, 2032, 2240, 2248, 2540, 2810, 3556, 3934, 4064, 4445, 4496, 5080, 5620, 7112, 7868, 8128, 8890, 8992, 9835, 10160, 11240, 14224, 15736, 17780, 17984, 19670, 20320, 22480, 28448, 31472, 35560, 35687, 39340, 40640, 44960, 56896, 62944, 71120, 71374, 78680, 89920, 125888, 142240, 142748, 157360, 178435, 249809, 284480, 285496, 314720, 356870, 499618, 570992, 629440, 713740, 999236, 1141984, 1249045, 1427480, 1998472, 2283968, 2498090, 2854960, 3996944, 4996180, 5709920, 7993888, 9992360, 11419840, 15987776, 19984720, 39969440, 79938880]

約数ペア:

[(1, 79938880), (2, 39969440), (4, 19984720), (5, 15987776), (7, 11419840), (8, 9992360), (10, 7993888), (14, 5709920), (16, 4996180), (20, 3996944), (28, 2854960), (32, 2498090), (35, 2283968), (40, 1998472), (56, 1427480), (64, 1249045), (70, 1141984), (80, 999236), (112, 713740), (127, 629440), (140, 570992), (160, 499618), (224, 356870), (254, 314720), (280, 285496), (281, 284480), (320, 249809), (448, 178435), (508, 157360), (560, 142748), (562, 142240), (635, 125888), (889, 89920), (1016, 78680), (1120, 71374), (1124, 71120), (1270, 62944), (1405, 56896), (1778, 44960), (1967, 40640), (2032, 39340), (2240, 35687), (2248, 35560), (2540, 31472), (2810, 28448), (3556, 22480), (3934, 20320), (4064, 19670), (4445, 17984), (4496, 17780), (5080, 15736), (5620, 14224), (7112, 11240), (7868, 10160), (8128, 9835), (8890, 8992)]