19887396480

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{164413}}^1$

素因数の和:164448

約数の個数: 256

約数和(自身を含む): 80497094400

約数和(自身を除く): 60609697920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 164413, 328826, 493239, 657652, 822065, 986478, 1150891, 1315304, 1479717, 1644130, 1972956, 2301782, 2466195, 2630608, 2959434, 3288260, 3452673, 3945912, 4439151, 4603564, 4932390, 5261216, 5754455, 5918868, 6576520, 6905346, 7398585, 7891824, 8878302, 9207128, 9864780, 10358019, 10522432, 11508910, 11837736, 13153040, 13810692, 14797170, 15783648, 17263365, 17756604, 18414256, 19729560, 20716038, 21044864, 22195755, 23017820, 23675472, 26306080, 27621384, 29594340, 31074057, 31567296, 34526730, 35513208, 36828512, 39459120, 41432076, 44391510, 46035640, 47350944, 51790095, 52612160, 55242768, 59188680, 62148114, 63134592, 69053460, 71026416, 73657024, 78918240, 82864152, 88783020, 92071280, 94701888, 103580190, 105224320, 110485536, 118377360, 124296228, 138106920, 142052832, 147314048, 155370285, 157836480, 165728304, 177566040, 184142560, 189403776, 207160380, 220971072, 236754720, 248592456, 276213840, 284105664, 310740570, 315672960, 331456608, 355132080, 368285120, 414320760, 441942144, 473509440, 497184912, 552427680, 568211328, 621481140, 662913216, 710264160, 736570240, 828641520, 947018880, 994369824, 1104855360, 1242962280, 1325826432, 1420528320, 1657283040, 1988739648, 2209710720, 2485924560, 2841056640, 3314566080, 3977479296, 4971849120, 6629132160, 9943698240, 19887396480]

約数ペア:

[(1, 19887396480), (2, 9943698240), (3, 6629132160), (4, 4971849120), (5, 3977479296), (6, 3314566080), (7, 2841056640), (8, 2485924560), (9, 2209710720), (10, 1988739648), (12, 1657283040), (14, 1420528320), (15, 1325826432), (16, 1242962280), (18, 1104855360), (20, 994369824), (21, 947018880), (24, 828641520), (27, 736570240), (28, 710264160), (30, 662913216), (32, 621481140), (35, 568211328), (36, 552427680), (40, 497184912), (42, 473509440), (45, 441942144), (48, 414320760), (54, 368285120), (56, 355132080), (60, 331456608), (63, 315672960), (64, 310740570), (70, 284105664), (72, 276213840), (80, 248592456), (84, 236754720), (90, 220971072), (96, 207160380), (105, 189403776), (108, 184142560), (112, 177566040), (120, 165728304), (126, 157836480), (128, 155370285), (135, 147314048), (140, 142052832), (144, 138106920), (160, 124296228), (168, 118377360), (180, 110485536), (189, 105224320), (192, 103580190), (210, 94701888), (216, 92071280), (224, 88783020), (240, 82864152), (252, 78918240), (270, 73657024), (280, 71026416), (288, 69053460), (315, 63134592), (320, 62148114), (336, 59188680), (360, 55242768), (378, 52612160), (384, 51790095), (420, 47350944), (432, 46035640), (448, 44391510), (480, 41432076), (504, 39459120), (540, 36828512), (560, 35513208), (576, 34526730), (630, 31567296), (640, 31074057), (672, 29594340), (720, 27621384), (756, 26306080), (840, 23675472), (864, 23017820), (896, 22195755), (945, 21044864), (960, 20716038), (1008, 19729560), (1080, 18414256), (1120, 17756604), (1152, 17263365), (1260, 15783648), (1344, 14797170), (1440, 13810692), (1512, 13153040), (1680, 11837736), (1728, 11508910), (1890, 10522432), (1920, 10358019), (2016, 9864780), (2160, 9207128), (2240, 8878302), (2520, 7891824), (2688, 7398585), (2880, 6905346), (3024, 6576520), (3360, 5918868), (3456, 5754455), (3780, 5261216), (4032, 4932390), (4320, 4603564), (4480, 4439151), (5040, 3945912), (5760, 3452673), (6048, 3288260), (6720, 2959434), (7560, 2630608), (8064, 2466195), (8640, 2301782), (10080, 1972956), (12096, 1644130), (13440, 1479717), (15120, 1315304), (17280, 1150891), (20160, 986478), (24192, 822065), (30240, 657652), (40320, 493239), (60480, 328826), (120960, 164413)]