1316528080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 240

約数和(自身を含む): 3795091920

約数和(自身を除く): 2478563840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 37, 40, 49, 56, 58, 70, 74, 80, 98, 112, 116, 140, 145, 148, 185, 196, 203, 232, 245, 259, 280, 290, 296, 313, 370, 392, 406, 464, 490, 518, 560, 580, 592, 626, 740, 784, 812, 980, 1015, 1036, 1073, 1160, 1252, 1295, 1421, 1480, 1565, 1624, 1813, 1960, 2030, 2072, 2146, 2191, 2320, 2504, 2590, 2842, 2960, 3130, 3248, 3626, 3920, 4060, 4144, 4292, 4382, 5008, 5180, 5365, 5684, 6260, 7105, 7252, 7511, 8120, 8584, 8764, 9065, 9077, 10360, 10730, 10955, 11368, 11581, 12520, 14210, 14504, 15022, 15337, 16240, 17168, 17528, 18130, 18154, 20720, 21460, 21910, 22736, 23162, 25040, 28420, 29008, 30044, 30674, 35056, 36260, 36308, 37555, 42920, 43820, 45385, 46324, 52577, 56840, 57905, 60088, 61348, 63539, 72520, 72616, 75110, 76685, 81067, 85840, 87640, 90770, 92648, 105154, 113680, 115810, 120176, 122696, 127078, 145040, 145232, 150220, 153370, 162134, 175280, 181540, 185296, 210308, 231620, 245392, 254156, 262885, 300440, 306740, 317695, 324268, 335849, 363080, 405335, 420616, 444773, 463240, 508312, 525770, 567469, 600880, 613480, 635390, 648536, 671698, 726160, 810670, 841232, 889546, 926480, 1016624, 1051540, 1134938, 1226960, 1270780, 1297072, 1343396, 1621340, 1679245, 1779092, 2103080, 2223865, 2269876, 2350943, 2541560, 2686792, 2837345, 3242680, 3358490, 3558184, 4206160, 4447730, 4539752, 4701886, 5083120, 5373584, 5674690, 6485360, 6716980, 7116368, 8895460, 9079504, 9403772, 11349380, 11754715, 13433960, 16456601, 17790920, 18807544, 22698760, 23509430, 26867920, 32913202, 35581840, 37615088, 45397520, 47018860, 65826404, 82283005, 94037720, 131652808, 164566010, 188075440, 263305616, 329132020, 658264040, 1316528080]

約数ペア:

[(1, 1316528080), (2, 658264040), (4, 329132020), (5, 263305616), (7, 188075440), (8, 164566010), (10, 131652808), (14, 94037720), (16, 82283005), (20, 65826404), (28, 47018860), (29, 45397520), (35, 37615088), (37, 35581840), (40, 32913202), (49, 26867920), (56, 23509430), (58, 22698760), (70, 18807544), (74, 17790920), (80, 16456601), (98, 13433960), (112, 11754715), (116, 11349380), (140, 9403772), (145, 9079504), (148, 8895460), (185, 7116368), (196, 6716980), (203, 6485360), (232, 5674690), (245, 5373584), (259, 5083120), (280, 4701886), (290, 4539752), (296, 4447730), (313, 4206160), (370, 3558184), (392, 3358490), (406, 3242680), (464, 2837345), (490, 2686792), (518, 2541560), (560, 2350943), (580, 2269876), (592, 2223865), (626, 2103080), (740, 1779092), (784, 1679245), (812, 1621340), (980, 1343396), (1015, 1297072), (1036, 1270780), (1073, 1226960), (1160, 1134938), (1252, 1051540), (1295, 1016624), (1421, 926480), (1480, 889546), (1565, 841232), (1624, 810670), (1813, 726160), (1960, 671698), (2030, 648536), (2072, 635390), (2146, 613480), (2191, 600880), (2320, 567469), (2504, 525770), (2590, 508312), (2842, 463240), (2960, 444773), (3130, 420616), (3248, 405335), (3626, 363080), (3920, 335849), (4060, 324268), (4144, 317695), (4292, 306740), (4382, 300440), (5008, 262885), (5180, 254156), (5365, 245392), (5684, 231620), (6260, 210308), (7105, 185296), (7252, 181540), (7511, 175280), (8120, 162134), (8584, 153370), (8764, 150220), (9065, 145232), (9077, 145040), (10360, 127078), (10730, 122696), (10955, 120176), (11368, 115810), (11581, 113680), (12520, 105154), (14210, 92648), (14504, 90770), (15022, 87640), (15337, 85840), (16240, 81067), (17168, 76685), (17528, 75110), (18130, 72616), (18154, 72520), (20720, 63539), (21460, 61348), (21910, 60088), (22736, 57905), (23162, 56840), (25040, 52577), (28420, 46324), (29008, 45385), (30044, 43820), (30674, 42920), (35056, 37555), (36260, 36308)]