20512329840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1237}}^1$

素因数の和:2118

約数の個数: 240

約数和(自身を含む): 71580189408

約数和(自身を除く): 51067859568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 853, 972, 1080, 1215, 1237, 1296, 1620, 1706, 1944, 2160, 2430, 2474, 2559, 3240, 3412, 3711, 3888, 4265, 4860, 4948, 5118, 6185, 6480, 6824, 7422, 7677, 8530, 9720, 9896, 10236, 11133, 12370, 12795, 13648, 14844, 15354, 17060, 18555, 19440, 19792, 20472, 22266, 23031, 24740, 25590, 29688, 30708, 33399, 34120, 37110, 38385, 40944, 44532, 46062, 49480, 51180, 55665, 59376, 61416, 66798, 68240, 69093, 74220, 76770, 89064, 92124, 98960, 100197, 102360, 111330, 115155, 122832, 133596, 138186, 148440, 153540, 166995, 178128, 184248, 200394, 204720, 207279, 222660, 230310, 267192, 276372, 296880, 300591, 307080, 333990, 345465, 368496, 400788, 414558, 445320, 460620, 500985, 534384, 552744, 601182, 614160, 667980, 690930, 801576, 829116, 890640, 921240, 1001970, 1036395, 1055161, 1105488, 1202364, 1335960, 1381860, 1502955, 1603152, 1658232, 1842480, 2003940, 2072790, 2110322, 2404728, 2671920, 2763720, 3005910, 3165483, 3316464, 4007880, 4145580, 4220644, 4809456, 5275805, 5527440, 6011820, 6330966, 8015760, 8291160, 8441288, 9496449, 10551610, 12023640, 12661932, 15827415, 16582320, 16882576, 18992898, 21103220, 24047280, 25323864, 28489347, 31654830, 37985796, 42206440, 47482245, 50647728, 56978694, 63309660, 75971592, 84412880, 85468041, 94964490, 113957388, 126619320, 142446735, 151943184, 170936082, 189928980, 227914776, 253238640, 256404123, 284893470, 341872164, 379857960, 427340205, 455829552, 512808246, 569786940, 683744328, 759715920, 854680410, 1025616492, 1139573880, 1282020615, 1367488656, 1709360820, 2051232984, 2279147760, 2564041230, 3418721640, 4102465968, 5128082460, 6837443280, 10256164920, 20512329840]

約数ペア:

[(1, 20512329840), (2, 10256164920), (3, 6837443280), (4, 5128082460), (5, 4102465968), (6, 3418721640), (8, 2564041230), (9, 2279147760), (10, 2051232984), (12, 1709360820), (15, 1367488656), (16, 1282020615), (18, 1139573880), (20, 1025616492), (24, 854680410), (27, 759715920), (30, 683744328), (36, 569786940), (40, 512808246), (45, 455829552), (48, 427340205), (54, 379857960), (60, 341872164), (72, 284893470), (80, 256404123), (81, 253238640), (90, 227914776), (108, 189928980), (120, 170936082), (135, 151943184), (144, 142446735), (162, 126619320), (180, 113957388), (216, 94964490), (240, 85468041), (243, 84412880), (270, 75971592), (324, 63309660), (360, 56978694), (405, 50647728), (432, 47482245), (486, 42206440), (540, 37985796), (648, 31654830), (720, 28489347), (810, 25323864), (853, 24047280), (972, 21103220), (1080, 18992898), (1215, 16882576), (1237, 16582320), (1296, 15827415), (1620, 12661932), (1706, 12023640), (1944, 10551610), (2160, 9496449), (2430, 8441288), (2474, 8291160), (2559, 8015760), (3240, 6330966), (3412, 6011820), (3711, 5527440), (3888, 5275805), (4265, 4809456), (4860, 4220644), (4948, 4145580), (5118, 4007880), (6185, 3316464), (6480, 3165483), (6824, 3005910), (7422, 2763720), (7677, 2671920), (8530, 2404728), (9720, 2110322), (9896, 2072790), (10236, 2003940), (11133, 1842480), (12370, 1658232), (12795, 1603152), (13648, 1502955), (14844, 1381860), (15354, 1335960), (17060, 1202364), (18555, 1105488), (19440, 1055161), (19792, 1036395), (20472, 1001970), (22266, 921240), (23031, 890640), (24740, 829116), (25590, 801576), (29688, 690930), (30708, 667980), (33399, 614160), (34120, 601182), (37110, 552744), (38385, 534384), (40944, 500985), (44532, 460620), (46062, 445320), (49480, 414558), (51180, 400788), (55665, 368496), (59376, 345465), (61416, 333990), (66798, 307080), (68240, 300591), (69093, 296880), (74220, 276372), (76770, 267192), (89064, 230310), (92124, 222660), (98960, 207279), (100197, 204720), (102360, 200394), (111330, 184248), (115155, 178128), (122832, 166995), (133596, 153540), (138186, 148440)]