20782354560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{4297}}^1$

素因数の和:4559

約数の個数: 256

約数和(自身を含む): 72598377600

約数和(自身を除く): 51816023040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 229, 240, 264, 320, 330, 352, 384, 440, 458, 480, 528, 640, 660, 687, 704, 880, 916, 960, 1056, 1145, 1320, 1374, 1408, 1760, 1832, 1920, 2112, 2290, 2519, 2640, 2748, 3435, 3520, 3664, 4224, 4297, 4580, 5038, 5280, 5496, 6870, 7040, 7328, 7557, 8594, 9160, 10076, 10560, 10992, 12595, 12891, 13740, 14656, 15114, 17188, 18320, 20152, 21120, 21485, 21984, 25190, 25782, 27480, 29312, 30228, 34376, 36640, 37785, 40304, 42970, 43968, 47267, 50380, 51564, 54960, 60456, 64455, 68752, 73280, 75570, 80608, 85940, 87936, 94534, 100760, 103128, 109920, 120912, 128910, 137504, 141801, 146560, 151140, 161216, 171880, 189068, 201520, 206256, 219840, 236335, 241824, 257820, 275008, 283602, 302280, 322432, 343760, 378136, 403040, 412512, 439680, 472670, 483648, 515640, 550016, 567204, 604560, 687520, 709005, 756272, 806080, 825024, 945340, 967296, 984013, 1031280, 1134408, 1209120, 1375040, 1418010, 1512544, 1612160, 1650048, 1890680, 1968026, 2062560, 2268816, 2418240, 2750080, 2836020, 2952039, 3025088, 3781360, 3936052, 4125120, 4537632, 4836480, 4920065, 5672040, 5904078, 6050176, 7562720, 7872104, 8250240, 9075264, 9840130, 10824143, 11344080, 11808156, 14760195, 15125440, 15744208, 18150528, 19680260, 21648286, 22688160, 23616312, 29520390, 30250880, 31488416, 32472429, 39360520, 43296572, 45376320, 47232624, 54120715, 59040780, 62976832, 64944858, 78721040, 86593144, 90752640, 94465248, 108241430, 118081560, 125953664, 129889716, 157442080, 162362145, 173186288, 188930496, 216482860, 236163120, 259779432, 314884160, 324724290, 346372576, 377860992, 432965720, 472326240, 519558864, 629768320, 649448580, 692745152, 865931440, 944652480, 1039117728, 1298897160, 1385490304, 1731862880, 1889304960, 2078235456, 2597794320, 3463725760, 4156470912, 5195588640, 6927451520, 10391177280, 20782354560]

約数ペア:

[(1, 20782354560), (2, 10391177280), (3, 6927451520), (4, 5195588640), (5, 4156470912), (6, 3463725760), (8, 2597794320), (10, 2078235456), (11, 1889304960), (12, 1731862880), (15, 1385490304), (16, 1298897160), (20, 1039117728), (22, 944652480), (24, 865931440), (30, 692745152), (32, 649448580), (33, 629768320), (40, 519558864), (44, 472326240), (48, 432965720), (55, 377860992), (60, 346372576), (64, 324724290), (66, 314884160), (80, 259779432), (88, 236163120), (96, 216482860), (110, 188930496), (120, 173186288), (128, 162362145), (132, 157442080), (160, 129889716), (165, 125953664), (176, 118081560), (192, 108241430), (220, 94465248), (229, 90752640), (240, 86593144), (264, 78721040), (320, 64944858), (330, 62976832), (352, 59040780), (384, 54120715), (440, 47232624), (458, 45376320), (480, 43296572), (528, 39360520), (640, 32472429), (660, 31488416), (687, 30250880), (704, 29520390), (880, 23616312), (916, 22688160), (960, 21648286), (1056, 19680260), (1145, 18150528), (1320, 15744208), (1374, 15125440), (1408, 14760195), (1760, 11808156), (1832, 11344080), (1920, 10824143), (2112, 9840130), (2290, 9075264), (2519, 8250240), (2640, 7872104), (2748, 7562720), (3435, 6050176), (3520, 5904078), (3664, 5672040), (4224, 4920065), (4297, 4836480), (4580, 4537632), (5038, 4125120), (5280, 3936052), (5496, 3781360), (6870, 3025088), (7040, 2952039), (7328, 2836020), (7557, 2750080), (8594, 2418240), (9160, 2268816), (10076, 2062560), (10560, 1968026), (10992, 1890680), (12595, 1650048), (12891, 1612160), (13740, 1512544), (14656, 1418010), (15114, 1375040), (17188, 1209120), (18320, 1134408), (20152, 1031280), (21120, 984013), (21485, 967296), (21984, 945340), (25190, 825024), (25782, 806080), (27480, 756272), (29312, 709005), (30228, 687520), (34376, 604560), (36640, 567204), (37785, 550016), (40304, 515640), (42970, 483648), (43968, 472670), (47267, 439680), (50380, 412512), (51564, 403040), (54960, 378136), (60456, 343760), (64455, 322432), (68752, 302280), (73280, 283602), (75570, 275008), (80608, 257820), (85940, 241824), (87936, 236335), (94534, 219840), (100760, 206256), (103128, 201520), (109920, 189068), (120912, 171880), (128910, 161216), (137504, 151140), (141801, 146560)]