218646720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 252

約数和(自身を含む): 786932640

約数和(自身を除く): 568285920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 79, 80, 90, 93, 96, 120, 124, 144, 155, 158, 160, 180, 186, 192, 237, 240, 248, 279, 288, 310, 316, 320, 360, 372, 395, 465, 474, 480, 496, 558, 576, 620, 632, 711, 720, 744, 790, 930, 948, 960, 961, 992, 1116, 1185, 1240, 1264, 1395, 1422, 1440, 1488, 1580, 1860, 1896, 1922, 1984, 2232, 2370, 2449, 2480, 2528, 2790, 2844, 2880, 2883, 2976, 3160, 3555, 3720, 3792, 3844, 4464, 4740, 4805, 4898, 4960, 5056, 5580, 5688, 5766, 5952, 6320, 7110, 7347, 7440, 7584, 7688, 8649, 8928, 9480, 9610, 9796, 9920, 11160, 11376, 11532, 12245, 12640, 14220, 14415, 14694, 14880, 15168, 15376, 17298, 17856, 18960, 19220, 19592, 22041, 22320, 22752, 23064, 24490, 25280, 28440, 28830, 29388, 29760, 30752, 34596, 36735, 37920, 38440, 39184, 43245, 44082, 44640, 45504, 46128, 48980, 56880, 57660, 58776, 61504, 69192, 73470, 75840, 75919, 76880, 78368, 86490, 88164, 89280, 92256, 97960, 110205, 113760, 115320, 117552, 138384, 146940, 151838, 153760, 156736, 172980, 176328, 184512, 195920, 220410, 227520, 227757, 230640, 235104, 276768, 293880, 303676, 307520, 345960, 352656, 379595, 391840, 440820, 455514, 461280, 470208, 553536, 587760, 607352, 683271, 691920, 705312, 759190, 783680, 881640, 911028, 922560, 1138785, 1175520, 1214704, 1366542, 1383840, 1410624, 1518380, 1763280, 1822056, 2277570, 2351040, 2429408, 2733084, 2767680, 3036760, 3416355, 3526560, 3644112, 4555140, 4858816, 5466168, 6073520, 6832710, 7053120, 7288224, 9110280, 10932336, 12147040, 13665420, 14576448, 18220560, 21864672, 24294080, 27330840, 36441120, 43729344, 54661680, 72882240, 109323360, 218646720]

約数ペア:

[(1, 218646720), (2, 109323360), (3, 72882240), (4, 54661680), (5, 43729344), (6, 36441120), (8, 27330840), (9, 24294080), (10, 21864672), (12, 18220560), (15, 14576448), (16, 13665420), (18, 12147040), (20, 10932336), (24, 9110280), (30, 7288224), (31, 7053120), (32, 6832710), (36, 6073520), (40, 5466168), (45, 4858816), (48, 4555140), (60, 3644112), (62, 3526560), (64, 3416355), (72, 3036760), (79, 2767680), (80, 2733084), (90, 2429408), (93, 2351040), (96, 2277570), (120, 1822056), (124, 1763280), (144, 1518380), (155, 1410624), (158, 1383840), (160, 1366542), (180, 1214704), (186, 1175520), (192, 1138785), (237, 922560), (240, 911028), (248, 881640), (279, 783680), (288, 759190), (310, 705312), (316, 691920), (320, 683271), (360, 607352), (372, 587760), (395, 553536), (465, 470208), (474, 461280), (480, 455514), (496, 440820), (558, 391840), (576, 379595), (620, 352656), (632, 345960), (711, 307520), (720, 303676), (744, 293880), (790, 276768), (930, 235104), (948, 230640), (960, 227757), (961, 227520), (992, 220410), (1116, 195920), (1185, 184512), (1240, 176328), (1264, 172980), (1395, 156736), (1422, 153760), (1440, 151838), (1488, 146940), (1580, 138384), (1860, 117552), (1896, 115320), (1922, 113760), (1984, 110205), (2232, 97960), (2370, 92256), (2449, 89280), (2480, 88164), (2528, 86490), (2790, 78368), (2844, 76880), (2880, 75919), (2883, 75840), (2976, 73470), (3160, 69192), (3555, 61504), (3720, 58776), (3792, 57660), (3844, 56880), (4464, 48980), (4740, 46128), (4805, 45504), (4898, 44640), (4960, 44082), (5056, 43245), (5580, 39184), (5688, 38440), (5766, 37920), (5952, 36735), (6320, 34596), (7110, 30752), (7347, 29760), (7440, 29388), (7584, 28830), (7688, 28440), (8649, 25280), (8928, 24490), (9480, 23064), (9610, 22752), (9796, 22320), (9920, 22041), (11160, 19592), (11376, 19220), (11532, 18960), (12245, 17856), (12640, 17298), (14220, 15376), (14415, 15168), (14694, 14880)]