20128160640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7841}}^1$

素因数の和:8061

約数の個数: 256

約数和(自身を含む): 73717309440

約数和(自身を除く): 53589148800

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, 168, 191, 192, 210, 224, 240, 280, 320, 336, 382, 384, 420, 448, 480, 560, 573, 640, 672, 764, 840, 896, 955, 960, 1120, 1146, 1337, 1344, 1528, 1680, 1910, 1920, 2240, 2292, 2674, 2688, 2865, 3056, 3360, 3820, 4011, 4480, 4584, 5348, 5730, 6112, 6685, 6720, 7640, 7841, 8022, 9168, 10696, 11460, 12224, 13370, 13440, 15280, 15682, 16044, 18336, 20055, 21392, 22920, 23523, 24448, 26740, 30560, 31364, 32088, 36672, 39205, 40110, 42784, 45840, 47046, 53480, 54887, 61120, 62728, 64176, 73344, 78410, 80220, 85568, 91680, 94092, 106960, 109774, 117615, 122240, 125456, 128352, 156820, 160440, 164661, 171136, 183360, 188184, 213920, 219548, 235230, 250912, 256704, 274435, 313640, 320880, 329322, 366720, 376368, 427840, 439096, 470460, 501824, 513408, 548870, 627280, 641760, 658644, 752736, 823305, 855680, 878192, 940920, 1003648, 1097740, 1254560, 1283520, 1317288, 1497631, 1505472, 1646610, 1756384, 1881840, 2195480, 2509120, 2567040, 2634576, 2995262, 3010944, 3293220, 3512768, 3763680, 4390960, 4492893, 5018240, 5269152, 5990524, 6586440, 7025536, 7488155, 7527360, 8781920, 8985786, 10483417, 10538304, 11981048, 13172880, 14976310, 15054720, 17563840, 17971572, 20966834, 21076608, 22464465, 23962096, 26345760, 29952620, 31450251, 35127680, 35943144, 41933668, 44928930, 47924192, 52417085, 52691520, 59905240, 62900502, 71886288, 83867336, 89857860, 95848384, 104834170, 105383040, 119810480, 125801004, 143772576, 157251255, 167734672, 179715720, 191696768, 209668340, 239620960, 251602008, 287545152, 314502510, 335469344, 359431440, 419336680, 479241920, 503204016, 575090304, 629005020, 670938688, 718862880, 838673360, 958483840, 1006408032, 1258010040, 1341877376, 1437725760, 1677346720, 2012816064, 2516020080, 2875451520, 3354693440, 4025632128, 5032040160, 6709386880, 10064080320, 20128160640]

約数ペア:

[(1, 20128160640), (2, 10064080320), (3, 6709386880), (4, 5032040160), (5, 4025632128), (6, 3354693440), (7, 2875451520), (8, 2516020080), (10, 2012816064), (12, 1677346720), (14, 1437725760), (15, 1341877376), (16, 1258010040), (20, 1006408032), (21, 958483840), (24, 838673360), (28, 718862880), (30, 670938688), (32, 629005020), (35, 575090304), (40, 503204016), (42, 479241920), (48, 419336680), (56, 359431440), (60, 335469344), (64, 314502510), (70, 287545152), (80, 251602008), (84, 239620960), (96, 209668340), (105, 191696768), (112, 179715720), (120, 167734672), (128, 157251255), (140, 143772576), (160, 125801004), (168, 119810480), (191, 105383040), (192, 104834170), (210, 95848384), (224, 89857860), (240, 83867336), (280, 71886288), (320, 62900502), (336, 59905240), (382, 52691520), (384, 52417085), (420, 47924192), (448, 44928930), (480, 41933668), (560, 35943144), (573, 35127680), (640, 31450251), (672, 29952620), (764, 26345760), (840, 23962096), (896, 22464465), (955, 21076608), (960, 20966834), (1120, 17971572), (1146, 17563840), (1337, 15054720), (1344, 14976310), (1528, 13172880), (1680, 11981048), (1910, 10538304), (1920, 10483417), (2240, 8985786), (2292, 8781920), (2674, 7527360), (2688, 7488155), (2865, 7025536), (3056, 6586440), (3360, 5990524), (3820, 5269152), (4011, 5018240), (4480, 4492893), (4584, 4390960), (5348, 3763680), (5730, 3512768), (6112, 3293220), (6685, 3010944), (6720, 2995262), (7640, 2634576), (7841, 2567040), (8022, 2509120), (9168, 2195480), (10696, 1881840), (11460, 1756384), (12224, 1646610), (13370, 1505472), (13440, 1497631), (15280, 1317288), (15682, 1283520), (16044, 1254560), (18336, 1097740), (20055, 1003648), (21392, 940920), (22920, 878192), (23523, 855680), (24448, 823305), (26740, 752736), (30560, 658644), (31364, 641760), (32088, 627280), (36672, 548870), (39205, 513408), (40110, 501824), (42784, 470460), (45840, 439096), (47046, 427840), (53480, 376368), (54887, 366720), (61120, 329322), (62728, 320880), (64176, 313640), (73344, 274435), (78410, 256704), (80220, 250912), (85568, 235230), (91680, 219548), (94092, 213920), (106960, 188184), (109774, 183360), (117615, 171136), (122240, 164661), (125456, 160440), (128352, 156820)]