1809720640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2143}}^1$

素因数の和:2209

約数の個数: 224

約数和(自身を含む): 5489326080

約数和(自身を除く): 3679605440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 64, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 160, 182, 203, 208, 224, 232, 260, 280, 290, 320, 364, 377, 406, 416, 448, 455, 464, 520, 560, 580, 728, 754, 812, 832, 910, 928, 1015, 1040, 1120, 1160, 1456, 1508, 1624, 1820, 1856, 1885, 2030, 2080, 2143, 2240, 2320, 2639, 2912, 3016, 3248, 3640, 3770, 4060, 4160, 4286, 4640, 5278, 5824, 6032, 6496, 7280, 7540, 8120, 8572, 9280, 10556, 10715, 12064, 12992, 13195, 14560, 15001, 15080, 16240, 17144, 21112, 21430, 24128, 26390, 27859, 29120, 30002, 30160, 32480, 34288, 42224, 42860, 52780, 55718, 60004, 60320, 62147, 64960, 68576, 75005, 84448, 85720, 105560, 111436, 120008, 120640, 124294, 137152, 139295, 150010, 168896, 171440, 195013, 211120, 222872, 240016, 248588, 278590, 300020, 310735, 342880, 390026, 422240, 435029, 445744, 480032, 497176, 557180, 600040, 621470, 685760, 780052, 807911, 844480, 870058, 891488, 960064, 975065, 994352, 1114360, 1200080, 1242940, 1560104, 1615822, 1740116, 1782976, 1950130, 1988704, 2175145, 2228720, 2400160, 2485880, 3120208, 3231644, 3480232, 3900260, 3977408, 4039555, 4350290, 4457440, 4800320, 4971760, 5655377, 6240416, 6463288, 6960464, 7800520, 8079110, 8700580, 8914880, 9943520, 11310754, 12480832, 12926576, 13920928, 15601040, 16158220, 17401160, 19887040, 22621508, 25853152, 27841856, 28276885, 31202080, 32316440, 34802320, 45243016, 51706304, 56553770, 62404160, 64632880, 69604640, 90486032, 113107540, 129265760, 139209280, 180972064, 226215080, 258531520, 361944128, 452430160, 904860320, 1809720640]

約数ペア:

[(1, 1809720640), (2, 904860320), (4, 452430160), (5, 361944128), (7, 258531520), (8, 226215080), (10, 180972064), (13, 139209280), (14, 129265760), (16, 113107540), (20, 90486032), (26, 69604640), (28, 64632880), (29, 62404160), (32, 56553770), (35, 51706304), (40, 45243016), (52, 34802320), (56, 32316440), (58, 31202080), (64, 28276885), (65, 27841856), (70, 25853152), (80, 22621508), (91, 19887040), (104, 17401160), (112, 16158220), (116, 15601040), (130, 13920928), (140, 12926576), (145, 12480832), (160, 11310754), (182, 9943520), (203, 8914880), (208, 8700580), (224, 8079110), (232, 7800520), (260, 6960464), (280, 6463288), (290, 6240416), (320, 5655377), (364, 4971760), (377, 4800320), (406, 4457440), (416, 4350290), (448, 4039555), (455, 3977408), (464, 3900260), (520, 3480232), (560, 3231644), (580, 3120208), (728, 2485880), (754, 2400160), (812, 2228720), (832, 2175145), (910, 1988704), (928, 1950130), (1015, 1782976), (1040, 1740116), (1120, 1615822), (1160, 1560104), (1456, 1242940), (1508, 1200080), (1624, 1114360), (1820, 994352), (1856, 975065), (1885, 960064), (2030, 891488), (2080, 870058), (2143, 844480), (2240, 807911), (2320, 780052), (2639, 685760), (2912, 621470), (3016, 600040), (3248, 557180), (3640, 497176), (3770, 480032), (4060, 445744), (4160, 435029), (4286, 422240), (4640, 390026), (5278, 342880), (5824, 310735), (6032, 300020), (6496, 278590), (7280, 248588), (7540, 240016), (8120, 222872), (8572, 211120), (9280, 195013), (10556, 171440), (10715, 168896), (12064, 150010), (12992, 139295), (13195, 137152), (14560, 124294), (15001, 120640), (15080, 120008), (16240, 111436), (17144, 105560), (21112, 85720), (21430, 84448), (24128, 75005), (26390, 68576), (27859, 64960), (29120, 62147), (30002, 60320), (30160, 60004), (32480, 55718), (34288, 52780), (42224, 42860)]