18653161280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1327}}^1$

素因数の和:1497

約数の個数: 224

約数和(自身を含む): 49868206080

約数和(自身を除く): 31215044800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 109, 124, 130, 155, 160, 208, 218, 248, 260, 310, 320, 403, 416, 436, 496, 520, 545, 620, 806, 832, 872, 992, 1040, 1090, 1240, 1327, 1417, 1612, 1744, 1984, 2015, 2080, 2180, 2480, 2654, 2834, 3224, 3379, 3488, 4030, 4160, 4360, 4960, 5308, 5668, 6448, 6635, 6758, 6976, 7085, 8060, 8720, 9920, 10616, 11336, 12896, 13270, 13516, 14170, 16120, 16895, 17251, 17440, 21232, 22672, 25792, 26540, 27032, 28340, 32240, 33790, 34502, 34880, 41137, 42464, 43927, 45344, 53080, 54064, 56680, 64480, 67580, 69004, 82274, 84928, 86255, 87854, 90688, 106160, 108128, 113360, 128960, 135160, 138008, 144643, 164548, 172510, 175708, 205685, 212320, 216256, 219635, 226720, 270320, 276016, 289286, 329096, 345020, 351416, 411370, 424640, 439270, 453440, 534781, 540640, 552032, 578572, 658192, 690040, 702832, 723215, 822740, 878540, 1069562, 1081280, 1104064, 1157144, 1316384, 1380080, 1405664, 1446430, 1645480, 1757080, 1880359, 2139124, 2314288, 2632768, 2673905, 2760160, 2811328, 2892860, 3290960, 3514160, 3760718, 4278248, 4483933, 4628576, 5347810, 5520320, 5785720, 6581920, 7028320, 7521436, 8556496, 8967866, 9257152, 9401795, 10695620, 11571440, 13163840, 14056640, 15042872, 17112992, 17935732, 18803590, 21391240, 22419665, 23142880, 30085744, 34225984, 35871464, 37607180, 42782480, 44839330, 46285760, 58291129, 60171488, 71742928, 75214360, 85564960, 89678660, 116582258, 120342976, 143485856, 150428720, 171129920, 179357320, 233164516, 286971712, 291455645, 300857440, 358714640, 466329032, 582911290, 601714880, 717429280, 932658064, 1165822580, 1434858560, 1865316128, 2331645160, 3730632256, 4663290320, 9326580640, 18653161280]

約数ペア:

[(1, 18653161280), (2, 9326580640), (4, 4663290320), (5, 3730632256), (8, 2331645160), (10, 1865316128), (13, 1434858560), (16, 1165822580), (20, 932658064), (26, 717429280), (31, 601714880), (32, 582911290), (40, 466329032), (52, 358714640), (62, 300857440), (64, 291455645), (65, 286971712), (80, 233164516), (104, 179357320), (109, 171129920), (124, 150428720), (130, 143485856), (155, 120342976), (160, 116582258), (208, 89678660), (218, 85564960), (248, 75214360), (260, 71742928), (310, 60171488), (320, 58291129), (403, 46285760), (416, 44839330), (436, 42782480), (496, 37607180), (520, 35871464), (545, 34225984), (620, 30085744), (806, 23142880), (832, 22419665), (872, 21391240), (992, 18803590), (1040, 17935732), (1090, 17112992), (1240, 15042872), (1327, 14056640), (1417, 13163840), (1612, 11571440), (1744, 10695620), (1984, 9401795), (2015, 9257152), (2080, 8967866), (2180, 8556496), (2480, 7521436), (2654, 7028320), (2834, 6581920), (3224, 5785720), (3379, 5520320), (3488, 5347810), (4030, 4628576), (4160, 4483933), (4360, 4278248), (4960, 3760718), (5308, 3514160), (5668, 3290960), (6448, 2892860), (6635, 2811328), (6758, 2760160), (6976, 2673905), (7085, 2632768), (8060, 2314288), (8720, 2139124), (9920, 1880359), (10616, 1757080), (11336, 1645480), (12896, 1446430), (13270, 1405664), (13516, 1380080), (14170, 1316384), (16120, 1157144), (16895, 1104064), (17251, 1081280), (17440, 1069562), (21232, 878540), (22672, 822740), (25792, 723215), (26540, 702832), (27032, 690040), (28340, 658192), (32240, 578572), (33790, 552032), (34502, 540640), (34880, 534781), (41137, 453440), (42464, 439270), (43927, 424640), (45344, 411370), (53080, 351416), (54064, 345020), (56680, 329096), (64480, 289286), (67580, 276016), (69004, 270320), (82274, 226720), (84928, 219635), (86255, 216256), (87854, 212320), (90688, 205685), (106160, 175708), (108128, 172510), (113360, 164548), (128960, 144643), (135160, 138008)]