1979926480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:833

約数の個数: 160

約数和(自身を含む): 5517932544

約数和(自身を除く): 3538006064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 347, 368, 443, 460, 560, 644, 694, 805, 886, 920, 1288, 1388, 1610, 1735, 1772, 1840, 2215, 2429, 2576, 2776, 3101, 3220, 3470, 3544, 4430, 4858, 5552, 6202, 6440, 6940, 7088, 7981, 8860, 9716, 10189, 12145, 12404, 12880, 13880, 15505, 15962, 17720, 19432, 20378, 24290, 24808, 27760, 31010, 31924, 35440, 38864, 39905, 40756, 48580, 49616, 50945, 55867, 62020, 63848, 71323, 79810, 81512, 97160, 101890, 111734, 124040, 127696, 142646, 153721, 159620, 163024, 194320, 203780, 223468, 248080, 279335, 285292, 307442, 319240, 356615, 407560, 446936, 558670, 570584, 614884, 638480, 713230, 768605, 815120, 893872, 1076047, 1117340, 1141168, 1229768, 1426460, 1537210, 2152094, 2234680, 2459536, 2852920, 3074420, 3535583, 4304188, 4469360, 5380235, 5705840, 6148840, 7071166, 8608376, 10760470, 12297680, 14142332, 17216752, 17677915, 21520940, 24749081, 28284664, 35355830, 43041880, 49498162, 56569328, 70711660, 86083760, 98996324, 123745405, 141423320, 197992648, 247490810, 282846640, 395985296, 494981620, 989963240, 1979926480]

約数ペア:

[(1, 1979926480), (2, 989963240), (4, 494981620), (5, 395985296), (7, 282846640), (8, 247490810), (10, 197992648), (14, 141423320), (16, 123745405), (20, 98996324), (23, 86083760), (28, 70711660), (35, 56569328), (40, 49498162), (46, 43041880), (56, 35355830), (70, 28284664), (80, 24749081), (92, 21520940), (112, 17677915), (115, 17216752), (140, 14142332), (161, 12297680), (184, 10760470), (230, 8608376), (280, 7071166), (322, 6148840), (347, 5705840), (368, 5380235), (443, 4469360), (460, 4304188), (560, 3535583), (644, 3074420), (694, 2852920), (805, 2459536), (886, 2234680), (920, 2152094), (1288, 1537210), (1388, 1426460), (1610, 1229768), (1735, 1141168), (1772, 1117340), (1840, 1076047), (2215, 893872), (2429, 815120), (2576, 768605), (2776, 713230), (3101, 638480), (3220, 614884), (3470, 570584), (3544, 558670), (4430, 446936), (4858, 407560), (5552, 356615), (6202, 319240), (6440, 307442), (6940, 285292), (7088, 279335), (7981, 248080), (8860, 223468), (9716, 203780), (10189, 194320), (12145, 163024), (12404, 159620), (12880, 153721), (13880, 142646), (15505, 127696), (15962, 124040), (17720, 111734), (19432, 101890), (20378, 97160), (24290, 81512), (24808, 79810), (27760, 71323), (31010, 63848), (31924, 62020), (35440, 55867), (38864, 50945), (39905, 49616), (40756, 48580)]