172511280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 612817920

約数和(自身を除く): 440306640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 59, 60, 62, 72, 80, 90, 93, 118, 120, 124, 131, 144, 155, 177, 180, 186, 236, 240, 248, 262, 279, 295, 310, 354, 360, 372, 393, 465, 472, 496, 524, 531, 558, 590, 620, 655, 708, 720, 744, 786, 885, 930, 944, 1048, 1062, 1116, 1179, 1180, 1240, 1310, 1395, 1416, 1488, 1572, 1770, 1829, 1860, 1965, 2096, 2124, 2232, 2358, 2360, 2480, 2620, 2655, 2790, 2832, 3144, 3540, 3658, 3720, 3930, 4061, 4248, 4464, 4716, 4720, 5240, 5310, 5487, 5580, 5895, 6288, 7080, 7316, 7440, 7729, 7860, 8122, 8496, 9145, 9432, 10480, 10620, 10974, 11160, 11790, 12183, 14160, 14632, 15458, 15720, 16244, 16461, 18290, 18864, 20305, 21240, 21948, 22320, 23187, 23580, 24366, 27435, 29264, 30916, 31440, 32488, 32922, 36549, 36580, 38645, 40610, 42480, 43896, 46374, 47160, 48732, 54870, 60915, 61832, 64976, 65844, 69561, 73098, 73160, 77290, 81220, 82305, 87792, 92748, 94320, 97464, 109740, 115935, 121830, 123664, 131688, 139122, 146196, 146320, 154580, 162440, 164610, 182745, 185496, 194928, 219480, 231870, 239599, 243660, 263376, 278244, 292392, 309160, 324880, 329220, 347805, 365490, 370992, 438960, 463740, 479198, 487320, 556488, 584784, 618320, 658440, 695610, 718797, 730980, 927480, 958396, 974640, 1112976, 1197995, 1316880, 1391220, 1437594, 1461960, 1854960, 1916792, 2156391, 2395990, 2782440, 2875188, 2923920, 3593985, 3833584, 4312782, 4791980, 5564880, 5750376, 7187970, 8625564, 9583960, 10781955, 11500752, 14375940, 17251128, 19167920, 21563910, 28751880, 34502256, 43127820, 57503760, 86255640, 172511280]

約数ペア:

[(1, 172511280), (2, 86255640), (3, 57503760), (4, 43127820), (5, 34502256), (6, 28751880), (8, 21563910), (9, 19167920), (10, 17251128), (12, 14375940), (15, 11500752), (16, 10781955), (18, 9583960), (20, 8625564), (24, 7187970), (30, 5750376), (31, 5564880), (36, 4791980), (40, 4312782), (45, 3833584), (48, 3593985), (59, 2923920), (60, 2875188), (62, 2782440), (72, 2395990), (80, 2156391), (90, 1916792), (93, 1854960), (118, 1461960), (120, 1437594), (124, 1391220), (131, 1316880), (144, 1197995), (155, 1112976), (177, 974640), (180, 958396), (186, 927480), (236, 730980), (240, 718797), (248, 695610), (262, 658440), (279, 618320), (295, 584784), (310, 556488), (354, 487320), (360, 479198), (372, 463740), (393, 438960), (465, 370992), (472, 365490), (496, 347805), (524, 329220), (531, 324880), (558, 309160), (590, 292392), (620, 278244), (655, 263376), (708, 243660), (720, 239599), (744, 231870), (786, 219480), (885, 194928), (930, 185496), (944, 182745), (1048, 164610), (1062, 162440), (1116, 154580), (1179, 146320), (1180, 146196), (1240, 139122), (1310, 131688), (1395, 123664), (1416, 121830), (1488, 115935), (1572, 109740), (1770, 97464), (1829, 94320), (1860, 92748), (1965, 87792), (2096, 82305), (2124, 81220), (2232, 77290), (2358, 73160), (2360, 73098), (2480, 69561), (2620, 65844), (2655, 64976), (2790, 61832), (2832, 60915), (3144, 54870), (3540, 48732), (3658, 47160), (3720, 46374), (3930, 43896), (4061, 42480), (4248, 40610), (4464, 38645), (4716, 36580), (4720, 36549), (5240, 32922), (5310, 32488), (5487, 31440), (5580, 30916), (5895, 29264), (6288, 27435), (7080, 24366), (7316, 23580), (7440, 23187), (7729, 22320), (7860, 21948), (8122, 21240), (8496, 20305), (9145, 18864), (9432, 18290), (10480, 16461), (10620, 16244), (10974, 15720), (11160, 15458), (11790, 14632), (12183, 14160)]