21688045440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:725

約数の個数: 256

約数和(自身を含む): 70102886400

約数和(自身を除く): 48414840960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 151, 160, 192, 239, 240, 302, 313, 320, 384, 453, 478, 480, 604, 626, 640, 717, 755, 906, 939, 956, 960, 1195, 1208, 1252, 1434, 1510, 1565, 1812, 1878, 1912, 1920, 2265, 2390, 2416, 2504, 2868, 3020, 3130, 3585, 3624, 3756, 3824, 4530, 4695, 4780, 4832, 5008, 5736, 6040, 6260, 7170, 7248, 7512, 7648, 9060, 9390, 9560, 9664, 10016, 11472, 12080, 12520, 14340, 14496, 15024, 15296, 18120, 18780, 19120, 19328, 20032, 22944, 24160, 25040, 28680, 28992, 30048, 30592, 36089, 36240, 37560, 38240, 40064, 45888, 47263, 48320, 50080, 57360, 57984, 60096, 72178, 72480, 74807, 75120, 76480, 91776, 94526, 96640, 100160, 108267, 114720, 120192, 141789, 144356, 144960, 149614, 150240, 152960, 180445, 189052, 200320, 216534, 224421, 229440, 236315, 283578, 288712, 289920, 299228, 300480, 360890, 374035, 378104, 433068, 448842, 458880, 472630, 541335, 567156, 577424, 598456, 600960, 708945, 721780, 748070, 756208, 866136, 897684, 945260, 1082670, 1122105, 1134312, 1154848, 1196912, 1417890, 1443560, 1496140, 1512416, 1732272, 1795368, 1890520, 2165340, 2244210, 2268624, 2309696, 2393824, 2835780, 2887120, 2992280, 3024832, 3464544, 3590736, 3781040, 4330680, 4488420, 4537248, 4619392, 4787648, 5671560, 5774240, 5984560, 6049664, 6929088, 7181472, 7562080, 8661360, 8976840, 9074496, 9575296, 11295857, 11343120, 11548480, 11969120, 13858176, 14362944, 15124160, 17322720, 17953680, 18148992, 22591714, 22686240, 23096960, 23938240, 28725888, 30248320, 33887571, 34645440, 35907360, 45183428, 45372480, 47876480, 56479285, 67775142, 69290880, 71814720, 90366856, 90744960, 112958570, 135550284, 143629440, 169437855, 180733712, 225917140, 271100568, 338875710, 361467424, 451834280, 542201136, 677751420, 722934848, 903668560, 1084402272, 1355502840, 1445869696, 1807337120, 2168804544, 2711005680, 3614674240, 4337609088, 5422011360, 7229348480, 10844022720, 21688045440]

約数ペア:

[(1, 21688045440), (2, 10844022720), (3, 7229348480), (4, 5422011360), (5, 4337609088), (6, 3614674240), (8, 2711005680), (10, 2168804544), (12, 1807337120), (15, 1445869696), (16, 1355502840), (20, 1084402272), (24, 903668560), (30, 722934848), (32, 677751420), (40, 542201136), (48, 451834280), (60, 361467424), (64, 338875710), (80, 271100568), (96, 225917140), (120, 180733712), (128, 169437855), (151, 143629440), (160, 135550284), (192, 112958570), (239, 90744960), (240, 90366856), (302, 71814720), (313, 69290880), (320, 67775142), (384, 56479285), (453, 47876480), (478, 45372480), (480, 45183428), (604, 35907360), (626, 34645440), (640, 33887571), (717, 30248320), (755, 28725888), (906, 23938240), (939, 23096960), (956, 22686240), (960, 22591714), (1195, 18148992), (1208, 17953680), (1252, 17322720), (1434, 15124160), (1510, 14362944), (1565, 13858176), (1812, 11969120), (1878, 11548480), (1912, 11343120), (1920, 11295857), (2265, 9575296), (2390, 9074496), (2416, 8976840), (2504, 8661360), (2868, 7562080), (3020, 7181472), (3130, 6929088), (3585, 6049664), (3624, 5984560), (3756, 5774240), (3824, 5671560), (4530, 4787648), (4695, 4619392), (4780, 4537248), (4832, 4488420), (5008, 4330680), (5736, 3781040), (6040, 3590736), (6260, 3464544), (7170, 3024832), (7248, 2992280), (7512, 2887120), (7648, 2835780), (9060, 2393824), (9390, 2309696), (9560, 2268624), (9664, 2244210), (10016, 2165340), (11472, 1890520), (12080, 1795368), (12520, 1732272), (14340, 1512416), (14496, 1496140), (15024, 1443560), (15296, 1417890), (18120, 1196912), (18780, 1154848), (19120, 1134312), (19328, 1122105), (20032, 1082670), (22944, 945260), (24160, 897684), (25040, 866136), (28680, 756208), (28992, 748070), (30048, 721780), (30592, 708945), (36089, 600960), (36240, 598456), (37560, 577424), (38240, 567156), (40064, 541335), (45888, 472630), (47263, 458880), (48320, 448842), (50080, 433068), (57360, 378104), (57984, 374035), (60096, 360890), (72178, 300480), (72480, 299228), (74807, 289920), (75120, 288712), (76480, 283578), (91776, 236315), (94526, 229440), (96640, 224421), (100160, 216534), (108267, 200320), (114720, 189052), (120192, 180445), (141789, 152960), (144356, 150240), (144960, 149614)]