20662780920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:646

約数の個数: 256

約数和(自身を含む): 65217761280

約数和(自身を除く): 44554980360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 97, 120, 124, 155, 173, 186, 194, 248, 291, 310, 331, 346, 372, 388, 465, 485, 519, 582, 620, 662, 692, 744, 776, 865, 930, 970, 993, 1038, 1164, 1240, 1324, 1384, 1455, 1655, 1730, 1860, 1940, 1986, 2076, 2328, 2595, 2648, 2910, 3007, 3310, 3460, 3720, 3880, 3972, 4152, 4965, 5190, 5363, 5820, 6014, 6620, 6920, 7944, 9021, 9930, 10261, 10380, 10726, 11640, 12028, 13240, 15035, 16089, 16781, 18042, 19860, 20522, 20760, 21452, 24056, 26815, 30070, 30783, 32107, 32178, 33562, 36084, 39720, 41044, 42904, 45105, 50343, 51305, 53630, 57263, 60140, 61566, 64214, 64356, 67124, 72168, 80445, 82088, 83905, 90210, 96321, 100686, 102610, 107260, 114526, 120280, 123132, 128428, 128712, 134248, 153915, 160535, 160890, 167810, 171789, 180420, 192642, 201372, 205220, 214520, 229052, 246264, 251715, 256856, 286315, 307830, 321070, 321780, 335620, 343578, 360840, 385284, 402744, 410440, 458104, 481605, 503430, 520211, 572630, 615660, 642140, 643560, 671240, 687156, 770568, 858945, 963210, 995317, 1006860, 1040422, 1145260, 1231320, 1284280, 1374312, 1560633, 1717890, 1775153, 1926420, 1990634, 2013720, 2080844, 2290520, 2601055, 2985951, 3121266, 3435780, 3550306, 3852840, 3981268, 4161688, 4976585, 5202110, 5325459, 5554511, 5971902, 6242532, 6871560, 7100612, 7803165, 7962536, 8875765, 9953170, 10404220, 10650918, 11109022, 11943804, 12485064, 14201224, 14929755, 15606330, 16663533, 17751530, 19906340, 20808440, 21301836, 22218044, 23887608, 26627295, 27772555, 29859510, 31212660, 33327066, 35503060, 39812680, 42603672, 44436088, 53254590, 55545110, 59719020, 62425320, 66654132, 71006120, 83317665, 106509180, 111090220, 119438040, 133308264, 166635330, 172189841, 213018360, 222180440, 333270660, 344379682, 516569523, 666541320, 688759364, 860949205, 1033139046, 1377518728, 1721898410, 2066278092, 2582847615, 3443796820, 4132556184, 5165695230, 6887593640, 10331390460, 20662780920]

約数ペア:

[(1, 20662780920), (2, 10331390460), (3, 6887593640), (4, 5165695230), (5, 4132556184), (6, 3443796820), (8, 2582847615), (10, 2066278092), (12, 1721898410), (15, 1377518728), (20, 1033139046), (24, 860949205), (30, 688759364), (31, 666541320), (40, 516569523), (60, 344379682), (62, 333270660), (93, 222180440), (97, 213018360), (120, 172189841), (124, 166635330), (155, 133308264), (173, 119438040), (186, 111090220), (194, 106509180), (248, 83317665), (291, 71006120), (310, 66654132), (331, 62425320), (346, 59719020), (372, 55545110), (388, 53254590), (465, 44436088), (485, 42603672), (519, 39812680), (582, 35503060), (620, 33327066), (662, 31212660), (692, 29859510), (744, 27772555), (776, 26627295), (865, 23887608), (930, 22218044), (970, 21301836), (993, 20808440), (1038, 19906340), (1164, 17751530), (1240, 16663533), (1324, 15606330), (1384, 14929755), (1455, 14201224), (1655, 12485064), (1730, 11943804), (1860, 11109022), (1940, 10650918), (1986, 10404220), (2076, 9953170), (2328, 8875765), (2595, 7962536), (2648, 7803165), (2910, 7100612), (3007, 6871560), (3310, 6242532), (3460, 5971902), (3720, 5554511), (3880, 5325459), (3972, 5202110), (4152, 4976585), (4965, 4161688), (5190, 3981268), (5363, 3852840), (5820, 3550306), (6014, 3435780), (6620, 3121266), (6920, 2985951), (7944, 2601055), (9021, 2290520), (9930, 2080844), (10261, 2013720), (10380, 1990634), (10726, 1926420), (11640, 1775153), (12028, 1717890), (13240, 1560633), (15035, 1374312), (16089, 1284280), (16781, 1231320), (18042, 1145260), (19860, 1040422), (20522, 1006860), (20760, 995317), (21452, 963210), (24056, 858945), (26815, 770568), (30070, 687156), (30783, 671240), (32107, 643560), (32178, 642140), (33562, 615660), (36084, 572630), (39720, 520211), (41044, 503430), (42904, 481605), (45105, 458104), (50343, 410440), (51305, 402744), (53630, 385284), (57263, 360840), (60140, 343578), (61566, 335620), (64214, 321780), (64356, 321070), (67124, 307830), (72168, 286315), (80445, 256856), (82088, 251715), (83905, 246264), (90210, 229052), (96321, 214520), (100686, 205220), (102610, 201372), (107260, 192642), (114526, 180420), (120280, 171789), (123132, 167810), (128428, 160890), (128712, 160535), (134248, 153915)]