81294840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2281}}^1$

素因数の和:2315

約数の個数: 160

約数和(自身を含む): 298211760

約数和(自身を除く): 216916920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 264, 270, 297, 324, 330, 360, 396, 405, 440, 495, 540, 594, 648, 660, 792, 810, 891, 990, 1080, 1188, 1320, 1485, 1620, 1782, 1980, 2281, 2376, 2970, 3240, 3564, 3960, 4455, 4562, 5940, 6843, 7128, 8910, 9124, 11405, 11880, 13686, 17820, 18248, 20529, 22810, 25091, 27372, 34215, 35640, 41058, 45620, 50182, 54744, 61587, 68430, 75273, 82116, 91240, 100364, 102645, 123174, 125455, 136860, 150546, 164232, 184761, 200728, 205290, 225819, 246348, 250910, 273720, 301092, 307935, 369522, 376365, 410580, 451638, 492696, 501820, 602184, 615870, 677457, 739044, 752730, 821160, 903276, 923805, 1003640, 1129095, 1231740, 1354914, 1478088, 1505460, 1806552, 1847610, 2032371, 2258190, 2463480, 2709828, 3010920, 3387285, 3695220, 4064742, 4516380, 5419656, 6774570, 7390440, 8129484, 9032760, 10161855, 13549140, 16258968, 20323710, 27098280, 40647420, 81294840]

約数ペア:

[(1, 81294840), (2, 40647420), (3, 27098280), (4, 20323710), (5, 16258968), (6, 13549140), (8, 10161855), (9, 9032760), (10, 8129484), (11, 7390440), (12, 6774570), (15, 5419656), (18, 4516380), (20, 4064742), (22, 3695220), (24, 3387285), (27, 3010920), (30, 2709828), (33, 2463480), (36, 2258190), (40, 2032371), (44, 1847610), (45, 1806552), (54, 1505460), (55, 1478088), (60, 1354914), (66, 1231740), (72, 1129095), (81, 1003640), (88, 923805), (90, 903276), (99, 821160), (108, 752730), (110, 739044), (120, 677457), (132, 615870), (135, 602184), (162, 501820), (165, 492696), (180, 451638), (198, 410580), (216, 376365), (220, 369522), (264, 307935), (270, 301092), (297, 273720), (324, 250910), (330, 246348), (360, 225819), (396, 205290), (405, 200728), (440, 184761), (495, 164232), (540, 150546), (594, 136860), (648, 125455), (660, 123174), (792, 102645), (810, 100364), (891, 91240), (990, 82116), (1080, 75273), (1188, 68430), (1320, 61587), (1485, 54744), (1620, 50182), (1782, 45620), (1980, 41058), (2281, 35640), (2376, 34215), (2970, 27372), (3240, 25091), (3564, 22810), (3960, 20529), (4455, 18248), (4562, 17820), (5940, 13686), (6843, 11880), (7128, 11405), (8910, 9124)]