239995440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{111109}}^1$

素因数の和:111131

約数の個数: 80

約数和(自身を含む): 826658400

約数和(自身を除く): 586662960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 111109, 222218, 333327, 444436, 555545, 666654, 888872, 999981, 1111090, 1333308, 1666635, 1777744, 1999962, 2222180, 2666616, 2999943, 3333270, 3999924, 4444360, 4999905, 5333232, 5999886, 6666540, 7999848, 8888720, 9999810, 11999772, 13333080, 14999715, 15999696, 19999620, 23999544, 26666160, 29999430, 39999240, 47999088, 59998860, 79998480, 119997720, 239995440]

約数ペア:

[(1, 239995440), (2, 119997720), (3, 79998480), (4, 59998860), (5, 47999088), (6, 39999240), (8, 29999430), (9, 26666160), (10, 23999544), (12, 19999620), (15, 15999696), (16, 14999715), (18, 13333080), (20, 11999772), (24, 9999810), (27, 8888720), (30, 7999848), (36, 6666540), (40, 5999886), (45, 5333232), (48, 4999905), (54, 4444360), (60, 3999924), (72, 3333270), (80, 2999943), (90, 2666616), (108, 2222180), (120, 1999962), (135, 1777744), (144, 1666635), (180, 1333308), (216, 1111090), (240, 999981), (270, 888872), (360, 666654), (432, 555545), (540, 444436), (720, 333327), (1080, 222218), (2160, 111109)]