217225440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{601}}^1$

素因数の和:873

約数の個数: 144

約数和(自身を含む): 745473456

約数和(自身を除く): 528248016

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, 120, 144, 160, 180, 240, 251, 288, 360, 480, 502, 601, 720, 753, 1004, 1202, 1255, 1440, 1506, 1803, 2008, 2259, 2404, 2510, 3005, 3012, 3606, 3765, 4016, 4518, 4808, 5020, 5409, 6010, 6024, 7212, 7530, 8032, 9015, 9036, 9616, 10040, 10818, 11295, 12020, 12048, 14424, 15060, 18030, 18072, 19232, 20080, 21636, 22590, 24040, 24096, 27045, 28848, 30120, 36060, 36144, 40160, 43272, 45180, 48080, 54090, 57696, 60240, 72120, 72288, 86544, 90360, 96160, 108180, 120480, 144240, 150851, 173088, 180720, 216360, 288480, 301702, 361440, 432720, 452553, 603404, 754255, 865440, 905106, 1206808, 1357659, 1508510, 1810212, 2262765, 2413616, 2715318, 3017020, 3620424, 4525530, 4827232, 5430636, 6034040, 6788295, 7240848, 9051060, 10861272, 12068080, 13576590, 14481696, 18102120, 21722544, 24136160, 27153180, 36204240, 43445088, 54306360, 72408480, 108612720, 217225440]

約数ペア:

[(1, 217225440), (2, 108612720), (3, 72408480), (4, 54306360), (5, 43445088), (6, 36204240), (8, 27153180), (9, 24136160), (10, 21722544), (12, 18102120), (15, 14481696), (16, 13576590), (18, 12068080), (20, 10861272), (24, 9051060), (30, 7240848), (32, 6788295), (36, 6034040), (40, 5430636), (45, 4827232), (48, 4525530), (60, 3620424), (72, 3017020), (80, 2715318), (90, 2413616), (96, 2262765), (120, 1810212), (144, 1508510), (160, 1357659), (180, 1206808), (240, 905106), (251, 865440), (288, 754255), (360, 603404), (480, 452553), (502, 432720), (601, 361440), (720, 301702), (753, 288480), (1004, 216360), (1202, 180720), (1255, 173088), (1440, 150851), (1506, 144240), (1803, 120480), (2008, 108180), (2259, 96160), (2404, 90360), (2510, 86544), (3005, 72288), (3012, 72120), (3606, 60240), (3765, 57696), (4016, 54090), (4518, 48080), (4808, 45180), (5020, 43272), (5409, 40160), (6010, 36144), (6024, 36060), (7212, 30120), (7530, 28848), (8032, 27045), (9015, 24096), (9036, 24040), (9616, 22590), (10040, 21636), (10818, 20080), (11295, 19232), (12020, 18072), (12048, 18030), (14424, 15060)]