18390240

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:84

約数の個数: 288

約数和(自身を含む): 72648576

約数和(自身を除く): 54258336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 43, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 86, 88, 90, 96, 99, 108, 110, 120, 129, 132, 135, 144, 160, 162, 165, 172, 176, 180, 198, 215, 216, 220, 240, 243, 258, 264, 270, 288, 297, 324, 330, 344, 352, 360, 387, 396, 405, 430, 432, 440, 473, 480, 486, 495, 516, 528, 540, 594, 645, 648, 660, 688, 720, 774, 792, 810, 860, 864, 880, 891, 946, 972, 990, 1032, 1056, 1080, 1161, 1188, 1215, 1290, 1296, 1320, 1376, 1419, 1440, 1485, 1548, 1584, 1620, 1720, 1760, 1782, 1892, 1935, 1944, 1980, 2064, 2160, 2322, 2365, 2376, 2430, 2580, 2592, 2640, 2673, 2838, 2970, 3096, 3168, 3240, 3440, 3483, 3564, 3784, 3870, 3888, 3960, 4128, 4257, 4320, 4455, 4644, 4730, 4752, 4860, 5160, 5280, 5346, 5676, 5805, 5940, 6192, 6480, 6880, 6966, 7095, 7128, 7568, 7740, 7776, 7920, 8514, 8910, 9288, 9460, 9504, 9720, 10320, 10449, 10692, 11352, 11610, 11880, 12384, 12771, 12960, 13365, 13932, 14190, 14256, 15136, 15480, 15840, 17028, 17415, 17820, 18576, 18920, 19440, 20640, 20898, 21285, 21384, 22704, 23220, 23760, 25542, 26730, 27864, 28380, 28512, 30960, 34056, 34830, 35640, 37152, 37840, 38313, 38880, 41796, 42570, 42768, 45408, 46440, 47520, 51084, 52245, 53460, 55728, 56760, 61920, 63855, 68112, 69660, 71280, 75680, 76626, 83592, 85140, 85536, 92880, 102168, 104490, 106920, 111456, 113520, 114939, 127710, 136224, 139320, 142560, 153252, 167184, 170280, 185760, 191565, 204336, 208980, 213840, 227040, 229878, 255420, 278640, 306504, 334368, 340560, 383130, 408672, 417960, 427680, 459756, 510840, 557280, 574695, 613008, 681120, 766260, 835920, 919512, 1021680, 1149390, 1226016, 1532520, 1671840, 1839024, 2043360, 2298780, 3065040, 3678048, 4597560, 6130080, 9195120, 18390240]

約数ペア:

[(1, 18390240), (2, 9195120), (3, 6130080), (4, 4597560), (5, 3678048), (6, 3065040), (8, 2298780), (9, 2043360), (10, 1839024), (11, 1671840), (12, 1532520), (15, 1226016), (16, 1149390), (18, 1021680), (20, 919512), (22, 835920), (24, 766260), (27, 681120), (30, 613008), (32, 574695), (33, 557280), (36, 510840), (40, 459756), (43, 427680), (44, 417960), (45, 408672), (48, 383130), (54, 340560), (55, 334368), (60, 306504), (66, 278640), (72, 255420), (80, 229878), (81, 227040), (86, 213840), (88, 208980), (90, 204336), (96, 191565), (99, 185760), (108, 170280), (110, 167184), (120, 153252), (129, 142560), (132, 139320), (135, 136224), (144, 127710), (160, 114939), (162, 113520), (165, 111456), (172, 106920), (176, 104490), (180, 102168), (198, 92880), (215, 85536), (216, 85140), (220, 83592), (240, 76626), (243, 75680), (258, 71280), (264, 69660), (270, 68112), (288, 63855), (297, 61920), (324, 56760), (330, 55728), (344, 53460), (352, 52245), (360, 51084), (387, 47520), (396, 46440), (405, 45408), (430, 42768), (432, 42570), (440, 41796), (473, 38880), (480, 38313), (486, 37840), (495, 37152), (516, 35640), (528, 34830), (540, 34056), (594, 30960), (645, 28512), (648, 28380), (660, 27864), (688, 26730), (720, 25542), (774, 23760), (792, 23220), (810, 22704), (860, 21384), (864, 21285), (880, 20898), (891, 20640), (946, 19440), (972, 18920), (990, 18576), (1032, 17820), (1056, 17415), (1080, 17028), (1161, 15840), (1188, 15480), (1215, 15136), (1290, 14256), (1296, 14190), (1320, 13932), (1376, 13365), (1419, 12960), (1440, 12771), (1485, 12384), (1548, 11880), (1584, 11610), (1620, 11352), (1720, 10692), (1760, 10449), (1782, 10320), (1892, 9720), (1935, 9504), (1944, 9460), (1980, 9288), (2064, 8910), (2160, 8514), (2322, 7920), (2365, 7776), (2376, 7740), (2430, 7568), (2580, 7128), (2592, 7095), (2640, 6966), (2673, 6880), (2838, 6480), (2970, 6192), (3096, 5940), (3168, 5805), (3240, 5676), (3440, 5346), (3483, 5280), (3564, 5160), (3784, 4860), (3870, 4752), (3888, 4730), (3960, 4644), (4128, 4455), (4257, 4320)]