637950240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 216

約数和(自身を含む): 2254376124

約数和(自身を除く): 1616425884

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, 240, 248, 279, 288, 310, 360, 372, 461, 465, 480, 496, 558, 620, 720, 744, 922, 930, 961, 992, 1116, 1240, 1383, 1395, 1440, 1488, 1844, 1860, 1922, 2232, 2305, 2480, 2766, 2790, 2883, 2976, 3688, 3720, 3844, 4149, 4464, 4610, 4805, 4960, 5532, 5580, 5766, 6915, 7376, 7440, 7688, 8298, 8649, 8928, 9220, 9610, 11064, 11160, 11532, 13830, 14291, 14415, 14752, 14880, 15376, 16596, 17298, 18440, 19220, 20745, 22128, 22320, 23064, 27660, 28582, 28830, 30752, 33192, 34596, 36880, 38440, 41490, 42873, 43245, 44256, 44640, 46128, 55320, 57164, 57660, 66384, 69192, 71455, 73760, 76880, 82980, 85746, 86490, 92256, 110640, 114328, 115320, 128619, 132768, 138384, 142910, 153760, 165960, 171492, 172980, 214365, 221280, 228656, 230640, 257238, 276768, 285820, 331920, 342984, 345960, 428730, 443021, 457312, 461280, 514476, 571640, 643095, 663840, 685968, 691920, 857460, 886042, 1028952, 1143280, 1286190, 1329063, 1371936, 1383840, 1714920, 1772084, 2057904, 2215105, 2286560, 2572380, 2658126, 3429840, 3544168, 3987189, 4115808, 4430210, 5144760, 5316252, 6645315, 6859680, 7088336, 7974378, 8860420, 10289520, 10632504, 13290630, 14176672, 15948756, 17720840, 19935945, 20579040, 21265008, 26581260, 31897512, 35441680, 39871890, 42530016, 53162520, 63795024, 70883360, 79743780, 106325040, 127590048, 159487560, 212650080, 318975120, 637950240]

約数ペア:

[(1, 637950240), (2, 318975120), (3, 212650080), (4, 159487560), (5, 127590048), (6, 106325040), (8, 79743780), (9, 70883360), (10, 63795024), (12, 53162520), (15, 42530016), (16, 39871890), (18, 35441680), (20, 31897512), (24, 26581260), (30, 21265008), (31, 20579040), (32, 19935945), (36, 17720840), (40, 15948756), (45, 14176672), (48, 13290630), (60, 10632504), (62, 10289520), (72, 8860420), (80, 7974378), (90, 7088336), (93, 6859680), (96, 6645315), (120, 5316252), (124, 5144760), (144, 4430210), (155, 4115808), (160, 3987189), (180, 3544168), (186, 3429840), (240, 2658126), (248, 2572380), (279, 2286560), (288, 2215105), (310, 2057904), (360, 1772084), (372, 1714920), (461, 1383840), (465, 1371936), (480, 1329063), (496, 1286190), (558, 1143280), (620, 1028952), (720, 886042), (744, 857460), (922, 691920), (930, 685968), (961, 663840), (992, 643095), (1116, 571640), (1240, 514476), (1383, 461280), (1395, 457312), (1440, 443021), (1488, 428730), (1844, 345960), (1860, 342984), (1922, 331920), (2232, 285820), (2305, 276768), (2480, 257238), (2766, 230640), (2790, 228656), (2883, 221280), (2976, 214365), (3688, 172980), (3720, 171492), (3844, 165960), (4149, 153760), (4464, 142910), (4610, 138384), (4805, 132768), (4960, 128619), (5532, 115320), (5580, 114328), (5766, 110640), (6915, 92256), (7376, 86490), (7440, 85746), (7688, 82980), (8298, 76880), (8649, 73760), (8928, 71455), (9220, 69192), (9610, 66384), (11064, 57660), (11160, 57164), (11532, 55320), (13830, 46128), (14291, 44640), (14415, 44256), (14752, 43245), (14880, 42873), (15376, 41490), (16596, 38440), (17298, 36880), (18440, 34596), (19220, 33192), (20745, 30752), (22128, 28830), (22320, 28582), (23064, 27660)]