20864417280

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2381}}^1$

素因数の和:2577

約数の個数: 320

約数和(自身を含む): 76729517568

約数和(自身を除く): 55865100288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 163, 168, 192, 210, 224, 240, 256, 280, 320, 326, 336, 384, 420, 448, 480, 489, 512, 560, 640, 652, 672, 768, 815, 840, 896, 960, 978, 1120, 1141, 1280, 1304, 1344, 1536, 1630, 1680, 1792, 1920, 1956, 2240, 2282, 2381, 2445, 2560, 2608, 2688, 3260, 3360, 3423, 3584, 3840, 3912, 4480, 4564, 4762, 4890, 5216, 5376, 5705, 6520, 6720, 6846, 7143, 7680, 7824, 8960, 9128, 9524, 9780, 10432, 10752, 11410, 11905, 13040, 13440, 13692, 14286, 15648, 16667, 17115, 17920, 18256, 19048, 19560, 20864, 22820, 23810, 26080, 26880, 27384, 28572, 31296, 33334, 34230, 35715, 36512, 38096, 39120, 41728, 45640, 47620, 50001, 52160, 53760, 54768, 57144, 62592, 66668, 68460, 71430, 73024, 76192, 78240, 83335, 83456, 91280, 95240, 100002, 104320, 109536, 114288, 125184, 133336, 136920, 142860, 146048, 152384, 156480, 166670, 182560, 190480, 200004, 208640, 219072, 228576, 250005, 250368, 266672, 273840, 285720, 292096, 304768, 312960, 333340, 365120, 380960, 388103, 400008, 417280, 438144, 457152, 500010, 533344, 547680, 571440, 584192, 609536, 625920, 666680, 730240, 761920, 776206, 800016, 876288, 914304, 1000020, 1066688, 1095360, 1142880, 1164309, 1219072, 1251840, 1333360, 1460480, 1523840, 1552412, 1600032, 1752576, 1828608, 1940515, 2000040, 2133376, 2190720, 2285760, 2328618, 2666720, 2716721, 2920960, 3047680, 3104824, 3200064, 3657216, 3881030, 4000080, 4266752, 4381440, 4571520, 4657236, 5333440, 5433442, 5821545, 6095360, 6209648, 6400128, 7762060, 8000160, 8150163, 8533504, 8762880, 9143040, 9314472, 10666880, 10866884, 11643090, 12419296, 12800256, 13583605, 15524120, 16000320, 16300326, 18286080, 18628944, 21333760, 21733768, 23286180, 24838592, 25600512, 27167210, 31048240, 32000640, 32600652, 37257888, 40750815, 42667520, 43467536, 46572360, 49677184, 54334420, 62096480, 64001280, 65201304, 74515776, 81501630, 86935072, 93144720, 99354368, 108668840, 124192960, 128002560, 130402608, 149031552, 163003260, 173870144, 186289440, 198708736, 217337680, 248385920, 260805216, 298063104, 326006520, 347740288, 372578880, 434675360, 496771840, 521610432, 596126208, 652013040, 695480576, 745157760, 869350720, 993543680, 1043220864, 1304026080, 1390961152, 1490315520, 1738701440, 2086441728, 2608052160, 2980631040, 3477402880, 4172883456, 5216104320, 6954805760, 10432208640, 20864417280]

約数ペア:

[(1, 20864417280), (2, 10432208640), (3, 6954805760), (4, 5216104320), (5, 4172883456), (6, 3477402880), (7, 2980631040), (8, 2608052160), (10, 2086441728), (12, 1738701440), (14, 1490315520), (15, 1390961152), (16, 1304026080), (20, 1043220864), (21, 993543680), (24, 869350720), (28, 745157760), (30, 695480576), (32, 652013040), (35, 596126208), (40, 521610432), (42, 496771840), (48, 434675360), (56, 372578880), (60, 347740288), (64, 326006520), (70, 298063104), (80, 260805216), (84, 248385920), (96, 217337680), (105, 198708736), (112, 186289440), (120, 173870144), (128, 163003260), (140, 149031552), (160, 130402608), (163, 128002560), (168, 124192960), (192, 108668840), (210, 99354368), (224, 93144720), (240, 86935072), (256, 81501630), (280, 74515776), (320, 65201304), (326, 64001280), (336, 62096480), (384, 54334420), (420, 49677184), (448, 46572360), (480, 43467536), (489, 42667520), (512, 40750815), (560, 37257888), (640, 32600652), (652, 32000640), (672, 31048240), (768, 27167210), (815, 25600512), (840, 24838592), (896, 23286180), (960, 21733768), (978, 21333760), (1120, 18628944), (1141, 18286080), (1280, 16300326), (1304, 16000320), (1344, 15524120), (1536, 13583605), (1630, 12800256), (1680, 12419296), (1792, 11643090), (1920, 10866884), (1956, 10666880), (2240, 9314472), (2282, 9143040), (2381, 8762880), (2445, 8533504), (2560, 8150163), (2608, 8000160), (2688, 7762060), (3260, 6400128), (3360, 6209648), (3423, 6095360), (3584, 5821545), (3840, 5433442), (3912, 5333440), (4480, 4657236), (4564, 4571520), (4762, 4381440), (4890, 4266752), (5216, 4000080), (5376, 3881030), (5705, 3657216), (6520, 3200064), (6720, 3104824), (6846, 3047680), (7143, 2920960), (7680, 2716721), (7824, 2666720), (8960, 2328618), (9128, 2285760), (9524, 2190720), (9780, 2133376), (10432, 2000040), (10752, 1940515), (11410, 1828608), (11905, 1752576), (13040, 1600032), (13440, 1552412), (13692, 1523840), (14286, 1460480), (15648, 1333360), (16667, 1251840), (17115, 1219072), (17920, 1164309), (18256, 1142880), (19048, 1095360), (19560, 1066688), (20864, 1000020), (22820, 914304), (23810, 876288), (26080, 800016), (26880, 776206), (27384, 761920), (28572, 730240), (31296, 666680), (33334, 625920), (34230, 609536), (35715, 584192), (36512, 571440), (38096, 547680), (39120, 533344), (41728, 500010), (45640, 457152), (47620, 438144), (50001, 417280), (52160, 400008), (53760, 388103), (54768, 380960), (57144, 365120), (62592, 333340), (66668, 312960), (68460, 304768), (71430, 292096), (73024, 285720), (76192, 273840), (78240, 266672), (83335, 250368), (83456, 250005), (91280, 228576), (95240, 219072), (100002, 208640), (104320, 200004), (109536, 190480), (114288, 182560), (125184, 166670), (133336, 156480), (136920, 152384), (142860, 146048)]