399932640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{30859}}^1$

素因数の和:30886

約数の個数: 120

約数和(自身を含む): 1411474680

約数和(自身を除く): 1011542040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 30859, 61718, 92577, 123436, 154295, 185154, 246872, 277731, 308590, 370308, 462885, 493744, 555462, 617180, 740616, 833193, 925770, 987488, 1110924, 1234360, 1388655, 1481232, 1666386, 1851540, 2221848, 2468720, 2499579, 2777310, 2962464, 3332772, 3703080, 4165965, 4443696, 4937440, 4999158, 5554620, 6665544, 7406160, 8331930, 8887392, 9998316, 11109240, 12497895, 13331088, 14812320, 16663860, 19996632, 22218480, 24995790, 26662176, 33327720, 39993264, 44436960, 49991580, 66655440, 79986528, 99983160, 133310880, 199966320, 399932640]

約数ペア:

[(1, 399932640), (2, 199966320), (3, 133310880), (4, 99983160), (5, 79986528), (6, 66655440), (8, 49991580), (9, 44436960), (10, 39993264), (12, 33327720), (15, 26662176), (16, 24995790), (18, 22218480), (20, 19996632), (24, 16663860), (27, 14812320), (30, 13331088), (32, 12497895), (36, 11109240), (40, 9998316), (45, 8887392), (48, 8331930), (54, 7406160), (60, 6665544), (72, 5554620), (80, 4999158), (81, 4937440), (90, 4443696), (96, 4165965), (108, 3703080), (120, 3332772), (135, 2962464), (144, 2777310), (160, 2499579), (162, 2468720), (180, 2221848), (216, 1851540), (240, 1666386), (270, 1481232), (288, 1388655), (324, 1234360), (360, 1110924), (405, 987488), (432, 925770), (480, 833193), (540, 740616), (648, 617180), (720, 555462), (810, 493744), (864, 462885), (1080, 370308), (1296, 308590), (1440, 277731), (1620, 246872), (2160, 185154), (2592, 154295), (3240, 123436), (4320, 92577), (6480, 61718), (12960, 30859)]