20698375680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3923}}^1$

素因数の和:4181

約数の個数: 240

約数和(自身を含む): 72015680880

約数和(自身を除く): 51317305200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 229, 240, 256, 288, 320, 360, 384, 458, 480, 512, 576, 640, 687, 720, 768, 916, 960, 1145, 1152, 1280, 1374, 1440, 1536, 1832, 1920, 2061, 2290, 2304, 2560, 2748, 2880, 3435, 3664, 3840, 3923, 4122, 4580, 4608, 5496, 5760, 6870, 7328, 7680, 7846, 8244, 9160, 10305, 10992, 11520, 11769, 13740, 14656, 15692, 16488, 18320, 19615, 20610, 21984, 23040, 23538, 27480, 29312, 31384, 32976, 35307, 36640, 39230, 41220, 43968, 47076, 54960, 58624, 58845, 62768, 65952, 70614, 73280, 78460, 82440, 87936, 94152, 109920, 117248, 117690, 125536, 131904, 141228, 146560, 156920, 164880, 175872, 176535, 188304, 219840, 235380, 251072, 263808, 282456, 293120, 313840, 329760, 351744, 353070, 376608, 439680, 470760, 502144, 527616, 564912, 586240, 627680, 659520, 706140, 753216, 879360, 898367, 941520, 1004288, 1055232, 1129824, 1255360, 1319040, 1412280, 1506432, 1758720, 1796734, 1883040, 2008576, 2259648, 2510720, 2638080, 2695101, 2824560, 3012864, 3593468, 3766080, 4491835, 4519296, 5021440, 5276160, 5390202, 5649120, 6025728, 7186936, 7532160, 8085303, 8983670, 9038592, 10042880, 10780404, 11298240, 13475505, 14373872, 15064320, 16170606, 17967340, 18077184, 21560808, 22596480, 26951010, 28747744, 30128640, 32341212, 35934680, 40426515, 43121616, 45192960, 53902020, 57495488, 64682424, 71869360, 80853030, 86243232, 90385920, 107804040, 114990976, 129364848, 143738720, 161706060, 172486464, 215608080, 229981952, 258729696, 287477440, 323412120, 344972928, 431216160, 459963904, 517459392, 574954880, 646824240, 689945856, 862432320, 1034918784, 1149909760, 1293648480, 1379891712, 1724864640, 2069837568, 2299819520, 2587296960, 3449729280, 4139675136, 5174593920, 6899458560, 10349187840, 20698375680]

約数ペア:

[(1, 20698375680), (2, 10349187840), (3, 6899458560), (4, 5174593920), (5, 4139675136), (6, 3449729280), (8, 2587296960), (9, 2299819520), (10, 2069837568), (12, 1724864640), (15, 1379891712), (16, 1293648480), (18, 1149909760), (20, 1034918784), (24, 862432320), (30, 689945856), (32, 646824240), (36, 574954880), (40, 517459392), (45, 459963904), (48, 431216160), (60, 344972928), (64, 323412120), (72, 287477440), (80, 258729696), (90, 229981952), (96, 215608080), (120, 172486464), (128, 161706060), (144, 143738720), (160, 129364848), (180, 114990976), (192, 107804040), (229, 90385920), (240, 86243232), (256, 80853030), (288, 71869360), (320, 64682424), (360, 57495488), (384, 53902020), (458, 45192960), (480, 43121616), (512, 40426515), (576, 35934680), (640, 32341212), (687, 30128640), (720, 28747744), (768, 26951010), (916, 22596480), (960, 21560808), (1145, 18077184), (1152, 17967340), (1280, 16170606), (1374, 15064320), (1440, 14373872), (1536, 13475505), (1832, 11298240), (1920, 10780404), (2061, 10042880), (2290, 9038592), (2304, 8983670), (2560, 8085303), (2748, 7532160), (2880, 7186936), (3435, 6025728), (3664, 5649120), (3840, 5390202), (3923, 5276160), (4122, 5021440), (4580, 4519296), (4608, 4491835), (5496, 3766080), (5760, 3593468), (6870, 3012864), (7328, 2824560), (7680, 2695101), (7846, 2638080), (8244, 2510720), (9160, 2259648), (10305, 2008576), (10992, 1883040), (11520, 1796734), (11769, 1758720), (13740, 1506432), (14656, 1412280), (15692, 1319040), (16488, 1255360), (18320, 1129824), (19615, 1055232), (20610, 1004288), (21984, 941520), (23040, 898367), (23538, 879360), (27480, 753216), (29312, 706140), (31384, 659520), (32976, 627680), (35307, 586240), (36640, 564912), (39230, 527616), (41220, 502144), (43968, 470760), (47076, 439680), (54960, 376608), (58624, 353070), (58845, 351744), (62768, 329760), (65952, 313840), (70614, 293120), (73280, 282456), (78460, 263808), (82440, 251072), (87936, 235380), (94152, 219840), (109920, 188304), (117248, 176535), (117690, 175872), (125536, 164880), (131904, 156920), (141228, 146560)]