20975525760

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82141}}^1$

素因数の和:82189

約数の個数: 256

約数和(自身を含む): 80433446400

約数和(自身を除く): 59457920640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 532, 560, 570, 608, 640, 665, 672, 760, 798, 840, 896, 912, 960, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1824, 1920, 1995, 2128, 2240, 2280, 2432, 2660, 2688, 3040, 3192, 3360, 3648, 3990, 4256, 4480, 4560, 5320, 6080, 6384, 6720, 7296, 7980, 8512, 9120, 10640, 12160, 12768, 13440, 15960, 17024, 18240, 21280, 25536, 31920, 36480, 42560, 51072, 63840, 82141, 85120, 127680, 164282, 246423, 255360, 328564, 410705, 492846, 574987, 657128, 821410, 985692, 1149974, 1232115, 1314256, 1560679, 1642820, 1724961, 1971384, 2299948, 2464230, 2628512, 2874935, 3121358, 3285640, 3449922, 3942768, 4599896, 4682037, 4928460, 5257024, 5749870, 6242716, 6571280, 6899844, 7803395, 7885536, 8624805, 9199792, 9364074, 9856920, 10514048, 10924753, 11499740, 12485432, 13142560, 13799688, 15606790, 15771072, 17249610, 18399584, 18728148, 19713840, 21849506, 22999480, 23410185, 24970864, 26285120, 27599376, 31213580, 31542144, 32774259, 34499220, 36799168, 37456296, 39427680, 43699012, 45998960, 46820370, 49941728, 52570240, 54623765, 55198752, 62427160, 65548518, 68998440, 73598336, 74912592, 78855360, 87398024, 91997920, 93640740, 99883456, 109247530, 110397504, 124854320, 131097036, 137996880, 149825184, 157710720, 163871295, 174796048, 183995840, 187281480, 199766912, 218495060, 220795008, 249708640, 262194072, 275993760, 299650368, 327742590, 349592096, 367991680, 374562960, 436990120, 499417280, 524388144, 551987520, 599300736, 655485180, 699184192, 749125920, 873980240, 998834560, 1048776288, 1103975040, 1310970360, 1398368384, 1498251840, 1747960480, 2097552576, 2621940720, 2996503680, 3495920960, 4195105152, 5243881440, 6991841920, 10487762880, 20975525760]

約数ペア:

[(1, 20975525760), (2, 10487762880), (3, 6991841920), (4, 5243881440), (5, 4195105152), (6, 3495920960), (7, 2996503680), (8, 2621940720), (10, 2097552576), (12, 1747960480), (14, 1498251840), (15, 1398368384), (16, 1310970360), (19, 1103975040), (20, 1048776288), (21, 998834560), (24, 873980240), (28, 749125920), (30, 699184192), (32, 655485180), (35, 599300736), (38, 551987520), (40, 524388144), (42, 499417280), (48, 436990120), (56, 374562960), (57, 367991680), (60, 349592096), (64, 327742590), (70, 299650368), (76, 275993760), (80, 262194072), (84, 249708640), (95, 220795008), (96, 218495060), (105, 199766912), (112, 187281480), (114, 183995840), (120, 174796048), (128, 163871295), (133, 157710720), (140, 149825184), (152, 137996880), (160, 131097036), (168, 124854320), (190, 110397504), (192, 109247530), (210, 99883456), (224, 93640740), (228, 91997920), (240, 87398024), (266, 78855360), (280, 74912592), (285, 73598336), (304, 68998440), (320, 65548518), (336, 62427160), (380, 55198752), (384, 54623765), (399, 52570240), (420, 49941728), (448, 46820370), (456, 45998960), (480, 43699012), (532, 39427680), (560, 37456296), (570, 36799168), (608, 34499220), (640, 32774259), (665, 31542144), (672, 31213580), (760, 27599376), (798, 26285120), (840, 24970864), (896, 23410185), (912, 22999480), (960, 21849506), (1064, 19713840), (1120, 18728148), (1140, 18399584), (1216, 17249610), (1330, 15771072), (1344, 15606790), (1520, 13799688), (1596, 13142560), (1680, 12485432), (1824, 11499740), (1920, 10924753), (1995, 10514048), (2128, 9856920), (2240, 9364074), (2280, 9199792), (2432, 8624805), (2660, 7885536), (2688, 7803395), (3040, 6899844), (3192, 6571280), (3360, 6242716), (3648, 5749870), (3990, 5257024), (4256, 4928460), (4480, 4682037), (4560, 4599896), (5320, 3942768), (6080, 3449922), (6384, 3285640), (6720, 3121358), (7296, 2874935), (7980, 2628512), (8512, 2464230), (9120, 2299948), (10640, 1971384), (12160, 1724961), (12768, 1642820), (13440, 1560679), (15960, 1314256), (17024, 1232115), (18240, 1149974), (21280, 985692), (25536, 821410), (31920, 657128), (36480, 574987), (42560, 492846), (51072, 410705), (63840, 328564), (82141, 255360), (85120, 246423), (127680, 164282)]