20181991680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1597}}^1$

素因数の和:2721

約数の個数: 216

約数和(自身を含む): 69935006232

約数和(自身を除く): 49753014552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1097, 1152, 1280, 1440, 1597, 1920, 2194, 2304, 2880, 3194, 3291, 3840, 4388, 4791, 5485, 5760, 6388, 6582, 7985, 8776, 9582, 9873, 10970, 11520, 12776, 13164, 14373, 15970, 16455, 17552, 19164, 19746, 21940, 23955, 25552, 26328, 28746, 31940, 32910, 35104, 38328, 39492, 43880, 47910, 49365, 51104, 52656, 57492, 63880, 65820, 70208, 71865, 76656, 78984, 87760, 95820, 98730, 102208, 105312, 114984, 127760, 131640, 140416, 143730, 153312, 157968, 175520, 191640, 197460, 204416, 210624, 229968, 255520, 263280, 280832, 287460, 306624, 315936, 351040, 383280, 394920, 408832, 421248, 459936, 511040, 526560, 574920, 613248, 631872, 702080, 766560, 789840, 842496, 919872, 1022080, 1053120, 1149840, 1226496, 1263744, 1404160, 1533120, 1579680, 1751909, 1839744, 2044160, 2106240, 2299680, 2527488, 3066240, 3159360, 3503818, 3679488, 4212480, 4599360, 5255727, 6132480, 6318720, 7007636, 8759545, 9198720, 10511454, 12637440, 14015272, 15767181, 17519090, 18397440, 21022908, 26278635, 28030544, 31534362, 35038180, 42045816, 52557270, 56061088, 63068724, 70076360, 78835905, 84091632, 105114540, 112122176, 126137448, 140152720, 157671810, 168183264, 210229080, 224244352, 252274896, 280305440, 315343620, 336366528, 420458160, 448488704, 504549792, 560610880, 630687240, 672733056, 840916320, 1009099584, 1121221760, 1261374480, 1345466112, 1681832640, 2018199168, 2242443520, 2522748960, 3363665280, 4036398336, 5045497920, 6727330560, 10090995840, 20181991680]

約数ペア:

[(1, 20181991680), (2, 10090995840), (3, 6727330560), (4, 5045497920), (5, 4036398336), (6, 3363665280), (8, 2522748960), (9, 2242443520), (10, 2018199168), (12, 1681832640), (15, 1345466112), (16, 1261374480), (18, 1121221760), (20, 1009099584), (24, 840916320), (30, 672733056), (32, 630687240), (36, 560610880), (40, 504549792), (45, 448488704), (48, 420458160), (60, 336366528), (64, 315343620), (72, 280305440), (80, 252274896), (90, 224244352), (96, 210229080), (120, 168183264), (128, 157671810), (144, 140152720), (160, 126137448), (180, 112122176), (192, 105114540), (240, 84091632), (256, 78835905), (288, 70076360), (320, 63068724), (360, 56061088), (384, 52557270), (480, 42045816), (576, 35038180), (640, 31534362), (720, 28030544), (768, 26278635), (960, 21022908), (1097, 18397440), (1152, 17519090), (1280, 15767181), (1440, 14015272), (1597, 12637440), (1920, 10511454), (2194, 9198720), (2304, 8759545), (2880, 7007636), (3194, 6318720), (3291, 6132480), (3840, 5255727), (4388, 4599360), (4791, 4212480), (5485, 3679488), (5760, 3503818), (6388, 3159360), (6582, 3066240), (7985, 2527488), (8776, 2299680), (9582, 2106240), (9873, 2044160), (10970, 1839744), (11520, 1751909), (12776, 1579680), (13164, 1533120), (14373, 1404160), (15970, 1263744), (16455, 1226496), (17552, 1149840), (19164, 1053120), (19746, 1022080), (21940, 919872), (23955, 842496), (25552, 789840), (26328, 766560), (28746, 702080), (31940, 631872), (32910, 613248), (35104, 574920), (38328, 526560), (39492, 511040), (43880, 459936), (47910, 421248), (49365, 408832), (51104, 394920), (52656, 383280), (57492, 351040), (63880, 315936), (65820, 306624), (70208, 287460), (71865, 280832), (76656, 263280), (78984, 255520), (87760, 229968), (95820, 210624), (98730, 204416), (102208, 197460), (105312, 191640), (114984, 175520), (127760, 157968), (131640, 153312), (140416, 143730)]