18087840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 65318400

約数和(自身を除く): 47230560

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, 53, 54, 60, 72, 79, 80, 90, 96, 106, 108, 120, 135, 144, 158, 159, 160, 180, 212, 216, 237, 240, 265, 270, 288, 316, 318, 360, 395, 424, 432, 474, 477, 480, 530, 540, 632, 636, 711, 720, 790, 795, 848, 864, 948, 954, 1060, 1080, 1185, 1264, 1272, 1422, 1431, 1440, 1580, 1590, 1696, 1896, 1908, 2120, 2133, 2160, 2370, 2385, 2528, 2544, 2844, 2862, 3160, 3180, 3555, 3792, 3816, 4187, 4240, 4266, 4320, 4740, 4770, 5088, 5688, 5724, 6320, 6360, 7110, 7155, 7584, 7632, 8374, 8480, 8532, 9480, 9540, 10665, 11376, 11448, 12561, 12640, 12720, 14220, 14310, 15264, 16748, 17064, 18960, 19080, 20935, 21330, 22752, 22896, 25122, 25440, 28440, 28620, 33496, 34128, 37683, 37920, 38160, 41870, 42660, 45792, 50244, 56880, 57240, 62805, 66992, 68256, 75366, 76320, 83740, 85320, 100488, 113049, 113760, 114480, 125610, 133984, 150732, 167480, 170640, 188415, 200976, 226098, 228960, 251220, 301464, 334960, 341280, 376830, 401952, 452196, 502440, 565245, 602928, 669920, 753660, 904392, 1004880, 1130490, 1205856, 1507320, 1808784, 2009760, 2260980, 3014640, 3617568, 4521960, 6029280, 9043920, 18087840]

約数ペア:

[(1, 18087840), (2, 9043920), (3, 6029280), (4, 4521960), (5, 3617568), (6, 3014640), (8, 2260980), (9, 2009760), (10, 1808784), (12, 1507320), (15, 1205856), (16, 1130490), (18, 1004880), (20, 904392), (24, 753660), (27, 669920), (30, 602928), (32, 565245), (36, 502440), (40, 452196), (45, 401952), (48, 376830), (53, 341280), (54, 334960), (60, 301464), (72, 251220), (79, 228960), (80, 226098), (90, 200976), (96, 188415), (106, 170640), (108, 167480), (120, 150732), (135, 133984), (144, 125610), (158, 114480), (159, 113760), (160, 113049), (180, 100488), (212, 85320), (216, 83740), (237, 76320), (240, 75366), (265, 68256), (270, 66992), (288, 62805), (316, 57240), (318, 56880), (360, 50244), (395, 45792), (424, 42660), (432, 41870), (474, 38160), (477, 37920), (480, 37683), (530, 34128), (540, 33496), (632, 28620), (636, 28440), (711, 25440), (720, 25122), (790, 22896), (795, 22752), (848, 21330), (864, 20935), (948, 19080), (954, 18960), (1060, 17064), (1080, 16748), (1185, 15264), (1264, 14310), (1272, 14220), (1422, 12720), (1431, 12640), (1440, 12561), (1580, 11448), (1590, 11376), (1696, 10665), (1896, 9540), (1908, 9480), (2120, 8532), (2133, 8480), (2160, 8374), (2370, 7632), (2385, 7584), (2528, 7155), (2544, 7110), (2844, 6360), (2862, 6320), (3160, 5724), (3180, 5688), (3555, 5088), (3792, 4770), (3816, 4740), (4187, 4320), (4240, 4266)]