181636440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 567889920

約数和(自身を除く): 386253480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 157, 186, 248, 310, 311, 314, 372, 465, 471, 620, 622, 628, 744, 785, 930, 933, 942, 1240, 1244, 1256, 1555, 1570, 1860, 1866, 1884, 2355, 2488, 3110, 3140, 3720, 3732, 3768, 4665, 4710, 4867, 6220, 6280, 7464, 9330, 9420, 9641, 9734, 12440, 14601, 18660, 18840, 19282, 19468, 24335, 28923, 29202, 37320, 38564, 38936, 48205, 48670, 48827, 57846, 58404, 73005, 77128, 96410, 97340, 97654, 115692, 116808, 144615, 146010, 146481, 192820, 194680, 195308, 231384, 244135, 289230, 292020, 292962, 385640, 390616, 488270, 578460, 584040, 585924, 732405, 976540, 1156920, 1171848, 1464810, 1513637, 1953080, 2929620, 3027274, 4540911, 5859240, 6054548, 7568185, 9081822, 12109096, 15136370, 18163644, 22704555, 30272740, 36327288, 45409110, 60545480, 90818220, 181636440]

約数ペア:

[(1, 181636440), (2, 90818220), (3, 60545480), (4, 45409110), (5, 36327288), (6, 30272740), (8, 22704555), (10, 18163644), (12, 15136370), (15, 12109096), (20, 9081822), (24, 7568185), (30, 6054548), (31, 5859240), (40, 4540911), (60, 3027274), (62, 2929620), (93, 1953080), (120, 1513637), (124, 1464810), (155, 1171848), (157, 1156920), (186, 976540), (248, 732405), (310, 585924), (311, 584040), (314, 578460), (372, 488270), (465, 390616), (471, 385640), (620, 292962), (622, 292020), (628, 289230), (744, 244135), (785, 231384), (930, 195308), (933, 194680), (942, 192820), (1240, 146481), (1244, 146010), (1256, 144615), (1555, 116808), (1570, 115692), (1860, 97654), (1866, 97340), (1884, 96410), (2355, 77128), (2488, 73005), (3110, 58404), (3140, 57846), (3720, 48827), (3732, 48670), (3768, 48205), (4665, 38936), (4710, 38564), (4867, 37320), (6220, 29202), (6280, 28923), (7464, 24335), (9330, 19468), (9420, 19282), (9641, 18840), (9734, 18660), (12440, 14601)]