218537280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 252

約数和(自身を含む): 815759100

約数和(自身を除く): 597221820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 338, 360, 390, 416, 449, 468, 480, 507, 520, 576, 585, 624, 676, 720, 780, 832, 845, 898, 936, 960, 1014, 1040, 1170, 1248, 1347, 1352, 1440, 1521, 1560, 1690, 1796, 1872, 2028, 2080, 2245, 2340, 2496, 2535, 2694, 2704, 2880, 3042, 3120, 3380, 3592, 3744, 4041, 4056, 4160, 4490, 4680, 5070, 5388, 5408, 5837, 6084, 6240, 6735, 6760, 7184, 7488, 7605, 8082, 8112, 8980, 9360, 10140, 10776, 10816, 11674, 12168, 12480, 13470, 13520, 14368, 15210, 16164, 16224, 17511, 17960, 18720, 20205, 20280, 21552, 23348, 24336, 26940, 27040, 28736, 29185, 30420, 32328, 32448, 35022, 35920, 37440, 40410, 40560, 43104, 46696, 48672, 52533, 53880, 54080, 58370, 60840, 64656, 70044, 71840, 75881, 80820, 81120, 86208, 87555, 93392, 97344, 105066, 107760, 116740, 121680, 129312, 140088, 143680, 151762, 161640, 162240, 175110, 186784, 210132, 215520, 227643, 233480, 243360, 258624, 262665, 280176, 303524, 323280, 350220, 373568, 379405, 420264, 431040, 455286, 466960, 486720, 525330, 560352, 607048, 646560, 682929, 700440, 758810, 840528, 910572, 933920, 1050660, 1120704, 1138215, 1214096, 1293120, 1365858, 1400880, 1517620, 1681056, 1821144, 1867840, 2101320, 2276430, 2428192, 2731716, 2801760, 3035240, 3362112, 3414645, 3642288, 4202640, 4552860, 4856384, 5463432, 5603520, 6070480, 6829290, 7284576, 8405280, 9105720, 10926864, 12140960, 13658580, 14569152, 16810560, 18211440, 21853728, 24281920, 27317160, 36422880, 43707456, 54634320, 72845760, 109268640, 218537280]

約数ペア:

[(1, 218537280), (2, 109268640), (3, 72845760), (4, 54634320), (5, 43707456), (6, 36422880), (8, 27317160), (9, 24281920), (10, 21853728), (12, 18211440), (13, 16810560), (15, 14569152), (16, 13658580), (18, 12140960), (20, 10926864), (24, 9105720), (26, 8405280), (30, 7284576), (32, 6829290), (36, 6070480), (39, 5603520), (40, 5463432), (45, 4856384), (48, 4552860), (52, 4202640), (60, 3642288), (64, 3414645), (65, 3362112), (72, 3035240), (78, 2801760), (80, 2731716), (90, 2428192), (96, 2276430), (104, 2101320), (117, 1867840), (120, 1821144), (130, 1681056), (144, 1517620), (156, 1400880), (160, 1365858), (169, 1293120), (180, 1214096), (192, 1138215), (195, 1120704), (208, 1050660), (234, 933920), (240, 910572), (260, 840528), (288, 758810), (312, 700440), (320, 682929), (338, 646560), (360, 607048), (390, 560352), (416, 525330), (449, 486720), (468, 466960), (480, 455286), (507, 431040), (520, 420264), (576, 379405), (585, 373568), (624, 350220), (676, 323280), (720, 303524), (780, 280176), (832, 262665), (845, 258624), (898, 243360), (936, 233480), (960, 227643), (1014, 215520), (1040, 210132), (1170, 186784), (1248, 175110), (1347, 162240), (1352, 161640), (1440, 151762), (1521, 143680), (1560, 140088), (1690, 129312), (1796, 121680), (1872, 116740), (2028, 107760), (2080, 105066), (2245, 97344), (2340, 93392), (2496, 87555), (2535, 86208), (2694, 81120), (2704, 80820), (2880, 75881), (3042, 71840), (3120, 70044), (3380, 64656), (3592, 60840), (3744, 58370), (4041, 54080), (4056, 53880), (4160, 52533), (4490, 48672), (4680, 46696), (5070, 43104), (5388, 40560), (5408, 40410), (5837, 37440), (6084, 35920), (6240, 35022), (6735, 32448), (6760, 32328), (7184, 30420), (7488, 29185), (7605, 28736), (8082, 27040), (8112, 26940), (8980, 24336), (9360, 23348), (10140, 21552), (10776, 20280), (10816, 20205), (11674, 18720), (12168, 17960), (12480, 17511), (13470, 16224), (13520, 16164), (14368, 15210)]