78950880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:633

約数の個数: 144

約数和(自身を含む): 272432160

約数和(自身を除く): 193481280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 503, 545, 654, 720, 872, 981, 1006, 1090, 1308, 1440, 1509, 1635, 1744, 1962, 2012, 2180, 2515, 2616, 3018, 3270, 3488, 3924, 4024, 4360, 4527, 4905, 5030, 5232, 6036, 6540, 7545, 7848, 8048, 8720, 9054, 9810, 10060, 10464, 12072, 13080, 15090, 15696, 16096, 17440, 18108, 19620, 20120, 22635, 24144, 26160, 30180, 31392, 36216, 39240, 40240, 45270, 48288, 52320, 54827, 60360, 72432, 78480, 80480, 90540, 109654, 120720, 144864, 156960, 164481, 181080, 219308, 241440, 274135, 328962, 362160, 438616, 493443, 548270, 657924, 724320, 822405, 877232, 986886, 1096540, 1315848, 1644810, 1754464, 1973772, 2193080, 2467215, 2631696, 3289620, 3947544, 4386160, 4934430, 5263392, 6579240, 7895088, 8772320, 9868860, 13158480, 15790176, 19737720, 26316960, 39475440, 78950880]

約数ペア:

[(1, 78950880), (2, 39475440), (3, 26316960), (4, 19737720), (5, 15790176), (6, 13158480), (8, 9868860), (9, 8772320), (10, 7895088), (12, 6579240), (15, 5263392), (16, 4934430), (18, 4386160), (20, 3947544), (24, 3289620), (30, 2631696), (32, 2467215), (36, 2193080), (40, 1973772), (45, 1754464), (48, 1644810), (60, 1315848), (72, 1096540), (80, 986886), (90, 877232), (96, 822405), (109, 724320), (120, 657924), (144, 548270), (160, 493443), (180, 438616), (218, 362160), (240, 328962), (288, 274135), (327, 241440), (360, 219308), (436, 181080), (480, 164481), (503, 156960), (545, 144864), (654, 120720), (720, 109654), (872, 90540), (981, 80480), (1006, 78480), (1090, 72432), (1308, 60360), (1440, 54827), (1509, 52320), (1635, 48288), (1744, 45270), (1962, 40240), (2012, 39240), (2180, 36216), (2515, 31392), (2616, 30180), (3018, 26160), (3270, 24144), (3488, 22635), (3924, 20120), (4024, 19620), (4360, 18108), (4527, 17440), (4905, 16096), (5030, 15696), (5232, 15090), (6036, 13080), (6540, 12072), (7545, 10464), (7848, 10060), (8048, 9810), (8720, 9054)]