318975120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1$

素因数の和:542

約数の個数: 180

約数和(自身を含む): 1109296188

約数和(自身を除く): 790321068

約数列:

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

約数ペア:

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