217218960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 360

約数和(自身を含む): 873265536

約数和(自身を除く): 656046576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 94, 98, 105, 112, 120, 126, 131, 140, 141, 144, 147, 168, 180, 188, 196, 210, 235, 240, 245, 252, 262, 280, 282, 294, 315, 329, 336, 360, 376, 392, 393, 420, 423, 441, 470, 490, 504, 524, 560, 564, 588, 630, 655, 658, 705, 720, 735, 752, 784, 786, 840, 846, 882, 917, 940, 980, 987, 1008, 1048, 1128, 1176, 1179, 1260, 1310, 1316, 1410, 1470, 1572, 1645, 1680, 1692, 1764, 1834, 1880, 1960, 1965, 1974, 2096, 2115, 2205, 2256, 2303, 2352, 2358, 2520, 2620, 2632, 2751, 2820, 2940, 2961, 3144, 3290, 3384, 3528, 3668, 3760, 3920, 3930, 3948, 4230, 4410, 4585, 4606, 4716, 4935, 5040, 5240, 5264, 5502, 5640, 5880, 5895, 5922, 6157, 6288, 6419, 6580, 6768, 6909, 7056, 7336, 7860, 7896, 8253, 8460, 8820, 9170, 9212, 9432, 9870, 10480, 11004, 11280, 11515, 11760, 11790, 11844, 12314, 12838, 13160, 13755, 13818, 14672, 14805, 15720, 15792, 16506, 16920, 17640, 18340, 18424, 18471, 18864, 19257, 19740, 20727, 22008, 23030, 23580, 23688, 24628, 25676, 26320, 27510, 27636, 29610, 30785, 31440, 32095, 33012, 33840, 34545, 35280, 36680, 36848, 36942, 38514, 39480, 41265, 41454, 43099, 44016, 46060, 47160, 47376, 49256, 51352, 55020, 55272, 55413, 57771, 59220, 61570, 64190, 66024, 69090, 73360, 73884, 77028, 78960, 82530, 82908, 86198, 92120, 92355, 94320, 96285, 98512, 102704, 103635, 110040, 110544, 110826, 115542, 118440, 123140, 128380, 129297, 132048, 138180, 147768, 154056, 165060, 165816, 172396, 184240, 184710, 192570, 207270, 215495, 220080, 221652, 231084, 236880, 246280, 256760, 258594, 276360, 277065, 288855, 295536, 301693, 308112, 330120, 331632, 344792, 369420, 385140, 387891, 414540, 430990, 443304, 462168, 492560, 513520, 517188, 552720, 554130, 577710, 603386, 646485, 660240, 689584, 738840, 770280, 775782, 829080, 861980, 886608, 905079, 924336, 1034376, 1108260, 1155420, 1206772, 1292970, 1477680, 1508465, 1540560, 1551564, 1658160, 1723960, 1810158, 1939455, 2068752, 2216520, 2310840, 2413544, 2585940, 2715237, 3016930, 3103128, 3447920, 3620316, 3878910, 4433040, 4525395, 4621680, 4827088, 5171880, 5430474, 6033860, 6206256, 7240632, 7757820, 9050790, 10343760, 10860948, 12067720, 13576185, 14481264, 15515640, 18101580, 21721896, 24135440, 27152370, 31031280, 36203160, 43443792, 54304740, 72406320, 108609480, 217218960]

約数ペア:

[(1, 217218960), (2, 108609480), (3, 72406320), (4, 54304740), (5, 43443792), (6, 36203160), (7, 31031280), (8, 27152370), (9, 24135440), (10, 21721896), (12, 18101580), (14, 15515640), (15, 14481264), (16, 13576185), (18, 12067720), (20, 10860948), (21, 10343760), (24, 9050790), (28, 7757820), (30, 7240632), (35, 6206256), (36, 6033860), (40, 5430474), (42, 5171880), (45, 4827088), (47, 4621680), (48, 4525395), (49, 4433040), (56, 3878910), (60, 3620316), (63, 3447920), (70, 3103128), (72, 3016930), (80, 2715237), (84, 2585940), (90, 2413544), (94, 2310840), (98, 2216520), (105, 2068752), (112, 1939455), (120, 1810158), (126, 1723960), (131, 1658160), (140, 1551564), (141, 1540560), (144, 1508465), (147, 1477680), (168, 1292970), (180, 1206772), (188, 1155420), (196, 1108260), (210, 1034376), (235, 924336), (240, 905079), (245, 886608), (252, 861980), (262, 829080), (280, 775782), (282, 770280), (294, 738840), (315, 689584), (329, 660240), (336, 646485), (360, 603386), (376, 577710), (392, 554130), (393, 552720), (420, 517188), (423, 513520), (441, 492560), (470, 462168), (490, 443304), (504, 430990), (524, 414540), (560, 387891), (564, 385140), (588, 369420), (630, 344792), (655, 331632), (658, 330120), (705, 308112), (720, 301693), (735, 295536), (752, 288855), (784, 277065), (786, 276360), (840, 258594), (846, 256760), (882, 246280), (917, 236880), (940, 231084), (980, 221652), (987, 220080), (1008, 215495), (1048, 207270), (1128, 192570), (1176, 184710), (1179, 184240), (1260, 172396), (1310, 165816), (1316, 165060), (1410, 154056), (1470, 147768), (1572, 138180), (1645, 132048), (1680, 129297), (1692, 128380), (1764, 123140), (1834, 118440), (1880, 115542), (1960, 110826), (1965, 110544), (1974, 110040), (2096, 103635), (2115, 102704), (2205, 98512), (2256, 96285), (2303, 94320), (2352, 92355), (2358, 92120), (2520, 86198), (2620, 82908), (2632, 82530), (2751, 78960), (2820, 77028), (2940, 73884), (2961, 73360), (3144, 69090), (3290, 66024), (3384, 64190), (3528, 61570), (3668, 59220), (3760, 57771), (3920, 55413), (3930, 55272), (3948, 55020), (4230, 51352), (4410, 49256), (4585, 47376), (4606, 47160), (4716, 46060), (4935, 44016), (5040, 43099), (5240, 41454), (5264, 41265), (5502, 39480), (5640, 38514), (5880, 36942), (5895, 36848), (5922, 36680), (6157, 35280), (6288, 34545), (6419, 33840), (6580, 33012), (6768, 32095), (6909, 31440), (7056, 30785), (7336, 29610), (7860, 27636), (7896, 27510), (8253, 26320), (8460, 25676), (8820, 24628), (9170, 23688), (9212, 23580), (9432, 23030), (9870, 22008), (10480, 20727), (11004, 19740), (11280, 19257), (11515, 18864), (11760, 18471), (11790, 18424), (11844, 18340), (12314, 17640), (12838, 16920), (13160, 16506), (13755, 15792), (13818, 15720), (14672, 14805)]