18182880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 240

約数和(自身を含む): 68058144

約数和(自身を除く): 49875264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 61, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 122, 135, 138, 144, 160, 162, 180, 183, 184, 207, 216, 230, 240, 244, 270, 276, 288, 305, 324, 345, 360, 366, 368, 405, 414, 432, 460, 480, 488, 540, 549, 552, 610, 621, 648, 690, 720, 732, 736, 810, 828, 864, 915, 920, 976, 1035, 1080, 1098, 1104, 1220, 1242, 1296, 1380, 1403, 1440, 1464, 1620, 1647, 1656, 1830, 1840, 1863, 1952, 2070, 2160, 2196, 2208, 2440, 2484, 2592, 2745, 2760, 2806, 2928, 3105, 3240, 3294, 3312, 3660, 3680, 3726, 4140, 4209, 4320, 4392, 4880, 4941, 4968, 5490, 5520, 5612, 5856, 6210, 6480, 6588, 6624, 7015, 7320, 7452, 8235, 8280, 8418, 8784, 9315, 9760, 9882, 9936, 10980, 11040, 11224, 12420, 12627, 12960, 13176, 14030, 14640, 14904, 16470, 16560, 16836, 17568, 18630, 19764, 19872, 21045, 21960, 22448, 24705, 24840, 25254, 26352, 28060, 29280, 29808, 32940, 33120, 33672, 37260, 37881, 39528, 42090, 43920, 44896, 49410, 49680, 50508, 52704, 56120, 59616, 63135, 65880, 67344, 74520, 75762, 79056, 84180, 87840, 98820, 99360, 101016, 112240, 113643, 126270, 131760, 134688, 149040, 151524, 158112, 168360, 189405, 197640, 202032, 224480, 227286, 252540, 263520, 298080, 303048, 336720, 378810, 395280, 404064, 454572, 505080, 568215, 606096, 673440, 757620, 790560, 909144, 1010160, 1136430, 1212192, 1515240, 1818288, 2020320, 2272860, 3030480, 3636576, 4545720, 6060960, 9091440, 18182880]

約数ペア:

[(1, 18182880), (2, 9091440), (3, 6060960), (4, 4545720), (5, 3636576), (6, 3030480), (8, 2272860), (9, 2020320), (10, 1818288), (12, 1515240), (15, 1212192), (16, 1136430), (18, 1010160), (20, 909144), (23, 790560), (24, 757620), (27, 673440), (30, 606096), (32, 568215), (36, 505080), (40, 454572), (45, 404064), (46, 395280), (48, 378810), (54, 336720), (60, 303048), (61, 298080), (69, 263520), (72, 252540), (80, 227286), (81, 224480), (90, 202032), (92, 197640), (96, 189405), (108, 168360), (115, 158112), (120, 151524), (122, 149040), (135, 134688), (138, 131760), (144, 126270), (160, 113643), (162, 112240), (180, 101016), (183, 99360), (184, 98820), (207, 87840), (216, 84180), (230, 79056), (240, 75762), (244, 74520), (270, 67344), (276, 65880), (288, 63135), (305, 59616), (324, 56120), (345, 52704), (360, 50508), (366, 49680), (368, 49410), (405, 44896), (414, 43920), (432, 42090), (460, 39528), (480, 37881), (488, 37260), (540, 33672), (549, 33120), (552, 32940), (610, 29808), (621, 29280), (648, 28060), (690, 26352), (720, 25254), (732, 24840), (736, 24705), (810, 22448), (828, 21960), (864, 21045), (915, 19872), (920, 19764), (976, 18630), (1035, 17568), (1080, 16836), (1098, 16560), (1104, 16470), (1220, 14904), (1242, 14640), (1296, 14030), (1380, 13176), (1403, 12960), (1440, 12627), (1464, 12420), (1620, 11224), (1647, 11040), (1656, 10980), (1830, 9936), (1840, 9882), (1863, 9760), (1952, 9315), (2070, 8784), (2160, 8418), (2196, 8280), (2208, 8235), (2440, 7452), (2484, 7320), (2592, 7015), (2745, 6624), (2760, 6588), (2806, 6480), (2928, 6210), (3105, 5856), (3240, 5612), (3294, 5520), (3312, 5490), (3660, 4968), (3680, 4941), (3726, 4880), (4140, 4392), (4209, 4320)]