218985120

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 240

約数和(自身を含む): 788340168

約数和(自身を除く): 569355048

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, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 277, 288, 305, 324, 360, 366, 405, 432, 480, 488, 540, 549, 554, 610, 648, 720, 732, 810, 831, 864, 915, 976, 1080, 1098, 1108, 1220, 1296, 1385, 1440, 1464, 1620, 1647, 1662, 1830, 1952, 2160, 2196, 2216, 2440, 2493, 2592, 2745, 2770, 2928, 3240, 3294, 3324, 3660, 4155, 4320, 4392, 4432, 4880, 4941, 4986, 5490, 5540, 5856, 6480, 6588, 6648, 7320, 7479, 8235, 8310, 8784, 8864, 9760, 9882, 9972, 10980, 11080, 12465, 12960, 13176, 13296, 14640, 14958, 16470, 16620, 16897, 17568, 19764, 19944, 21960, 22160, 22437, 24705, 24930, 26352, 26592, 29280, 29916, 32940, 33240, 33794, 37395, 39528, 39888, 43920, 44320, 44874, 49410, 49860, 50691, 52704, 59832, 65880, 66480, 67588, 74790, 79056, 79776, 84485, 87840, 89748, 98820, 99720, 101382, 112185, 119664, 131760, 132960, 135176, 149580, 152073, 158112, 168970, 179496, 197640, 199440, 202764, 224370, 239328, 253455, 263520, 270352, 299160, 304146, 337940, 358992, 395280, 398880, 405528, 448740, 456219, 506910, 540704, 598320, 608292, 675880, 717984, 760365, 790560, 811056, 897480, 912438, 1013820, 1196640, 1216584, 1351760, 1368657, 1520730, 1622112, 1794960, 1824876, 2027640, 2281095, 2433168, 2703520, 2737314, 3041460, 3589920, 3649752, 4055280, 4562190, 4866336, 5474628, 6082920, 6843285, 7299504, 8110560, 9124380, 10949256, 12165840, 13686570, 14599008, 18248760, 21898512, 24331680, 27373140, 36497520, 43797024, 54746280, 72995040, 109492560, 218985120]

約数ペア:

[(1, 218985120), (2, 109492560), (3, 72995040), (4, 54746280), (5, 43797024), (6, 36497520), (8, 27373140), (9, 24331680), (10, 21898512), (12, 18248760), (15, 14599008), (16, 13686570), (18, 12165840), (20, 10949256), (24, 9124380), (27, 8110560), (30, 7299504), (32, 6843285), (36, 6082920), (40, 5474628), (45, 4866336), (48, 4562190), (54, 4055280), (60, 3649752), (61, 3589920), (72, 3041460), (80, 2737314), (81, 2703520), (90, 2433168), (96, 2281095), (108, 2027640), (120, 1824876), (122, 1794960), (135, 1622112), (144, 1520730), (160, 1368657), (162, 1351760), (180, 1216584), (183, 1196640), (216, 1013820), (240, 912438), (244, 897480), (270, 811056), (277, 790560), (288, 760365), (305, 717984), (324, 675880), (360, 608292), (366, 598320), (405, 540704), (432, 506910), (480, 456219), (488, 448740), (540, 405528), (549, 398880), (554, 395280), (610, 358992), (648, 337940), (720, 304146), (732, 299160), (810, 270352), (831, 263520), (864, 253455), (915, 239328), (976, 224370), (1080, 202764), (1098, 199440), (1108, 197640), (1220, 179496), (1296, 168970), (1385, 158112), (1440, 152073), (1464, 149580), (1620, 135176), (1647, 132960), (1662, 131760), (1830, 119664), (1952, 112185), (2160, 101382), (2196, 99720), (2216, 98820), (2440, 89748), (2493, 87840), (2592, 84485), (2745, 79776), (2770, 79056), (2928, 74790), (3240, 67588), (3294, 66480), (3324, 65880), (3660, 59832), (4155, 52704), (4320, 50691), (4392, 49860), (4432, 49410), (4880, 44874), (4941, 44320), (4986, 43920), (5490, 39888), (5540, 39528), (5856, 37395), (6480, 33794), (6588, 33240), (6648, 32940), (7320, 29916), (7479, 29280), (8235, 26592), (8310, 26352), (8784, 24930), (8864, 24705), (9760, 22437), (9882, 22160), (9972, 21960), (10980, 19944), (11080, 19764), (12465, 17568), (12960, 16897), (13176, 16620), (13296, 16470), (14640, 14958)]