19894320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27631}}^1$

素因数の和:27650

約数の個数: 60

約数和(自身を含む): 66814176

約数和(自身を除く): 46919856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27631, 55262, 82893, 110524, 138155, 165786, 221048, 248679, 276310, 331572, 414465, 442096, 497358, 552620, 663144, 828930, 994716, 1105240, 1243395, 1326288, 1657860, 1989432, 2210480, 2486790, 3315720, 3978864, 4973580, 6631440, 9947160, 19894320]

約数ペア:

[(1, 19894320), (2, 9947160), (3, 6631440), (4, 4973580), (5, 3978864), (6, 3315720), (8, 2486790), (9, 2210480), (10, 1989432), (12, 1657860), (15, 1326288), (16, 1243395), (18, 1105240), (20, 994716), (24, 828930), (30, 663144), (36, 552620), (40, 497358), (45, 442096), (48, 414465), (60, 331572), (72, 276310), (80, 248679), (90, 221048), (120, 165786), (144, 138155), (180, 110524), (240, 82893), (360, 55262), (720, 27631)]