291990240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 216

約数和(自身を含む): 1034475624

約数和(自身を除く): 742485384

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, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 211, 240, 248, 279, 288, 310, 360, 372, 422, 465, 480, 496, 558, 620, 633, 720, 744, 844, 930, 961, 992, 1055, 1116, 1240, 1266, 1395, 1440, 1488, 1688, 1860, 1899, 1922, 2110, 2232, 2480, 2532, 2790, 2883, 2976, 3165, 3376, 3720, 3798, 3844, 4220, 4464, 4805, 4960, 5064, 5580, 5766, 6330, 6541, 6752, 7440, 7596, 7688, 8440, 8649, 8928, 9495, 9610, 10128, 11160, 11532, 12660, 13082, 14415, 14880, 15192, 15376, 16880, 17298, 18990, 19220, 19623, 20256, 22320, 23064, 25320, 26164, 28830, 30384, 30752, 32705, 33760, 34596, 37980, 38440, 39246, 43245, 44640, 46128, 50640, 52328, 57660, 58869, 60768, 65410, 69192, 75960, 76880, 78492, 86490, 92256, 98115, 101280, 104656, 115320, 117738, 130820, 138384, 151920, 153760, 156984, 172980, 196230, 202771, 209312, 230640, 235476, 261640, 276768, 294345, 303840, 313968, 345960, 392460, 405542, 461280, 470952, 523280, 588690, 608313, 627936, 691920, 784920, 811084, 941904, 1013855, 1046560, 1177380, 1216626, 1383840, 1569840, 1622168, 1824939, 1883808, 2027710, 2354760, 2433252, 3041565, 3139680, 3244336, 3649878, 4055420, 4709520, 4866504, 6083130, 6488672, 7299756, 8110840, 9124695, 9419040, 9733008, 12166260, 14599512, 16221680, 18249390, 19466016, 24332520, 29199024, 32443360, 36498780, 48665040, 58398048, 72997560, 97330080, 145995120, 291990240]

約数ペア:

[(1, 291990240), (2, 145995120), (3, 97330080), (4, 72997560), (5, 58398048), (6, 48665040), (8, 36498780), (9, 32443360), (10, 29199024), (12, 24332520), (15, 19466016), (16, 18249390), (18, 16221680), (20, 14599512), (24, 12166260), (30, 9733008), (31, 9419040), (32, 9124695), (36, 8110840), (40, 7299756), (45, 6488672), (48, 6083130), (60, 4866504), (62, 4709520), (72, 4055420), (80, 3649878), (90, 3244336), (93, 3139680), (96, 3041565), (120, 2433252), (124, 2354760), (144, 2027710), (155, 1883808), (160, 1824939), (180, 1622168), (186, 1569840), (211, 1383840), (240, 1216626), (248, 1177380), (279, 1046560), (288, 1013855), (310, 941904), (360, 811084), (372, 784920), (422, 691920), (465, 627936), (480, 608313), (496, 588690), (558, 523280), (620, 470952), (633, 461280), (720, 405542), (744, 392460), (844, 345960), (930, 313968), (961, 303840), (992, 294345), (1055, 276768), (1116, 261640), (1240, 235476), (1266, 230640), (1395, 209312), (1440, 202771), (1488, 196230), (1688, 172980), (1860, 156984), (1899, 153760), (1922, 151920), (2110, 138384), (2232, 130820), (2480, 117738), (2532, 115320), (2790, 104656), (2883, 101280), (2976, 98115), (3165, 92256), (3376, 86490), (3720, 78492), (3798, 76880), (3844, 75960), (4220, 69192), (4464, 65410), (4805, 60768), (4960, 58869), (5064, 57660), (5580, 52328), (5766, 50640), (6330, 46128), (6541, 44640), (6752, 43245), (7440, 39246), (7596, 38440), (7688, 37980), (8440, 34596), (8649, 33760), (8928, 32705), (9495, 30752), (9610, 30384), (10128, 28830), (11160, 26164), (11532, 25320), (12660, 23064), (13082, 22320), (14415, 20256), (14880, 19623), (15192, 19220), (15376, 18990), (16880, 17298)]