1620937920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 336

約数和(自身を含む): 6101754624

約数和(自身を除く): 4480816704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 251, 280, 310, 320, 336, 372, 420, 434, 448, 465, 480, 496, 502, 560, 620, 651, 672, 744, 753, 840, 868, 930, 960, 961, 992, 1004, 1085, 1120, 1240, 1255, 1302, 1344, 1488, 1506, 1680, 1736, 1757, 1860, 1922, 1984, 2008, 2170, 2240, 2480, 2510, 2604, 2883, 2976, 3012, 3255, 3360, 3472, 3514, 3720, 3765, 3844, 4016, 4340, 4805, 4960, 5020, 5208, 5271, 5766, 5952, 6024, 6510, 6720, 6727, 6944, 7028, 7440, 7530, 7688, 7781, 8032, 8680, 8785, 9610, 9920, 10040, 10416, 10542, 11532, 12048, 13020, 13454, 13888, 14056, 14415, 14880, 15060, 15376, 15562, 16064, 17360, 17570, 19220, 20080, 20181, 20832, 21084, 23064, 23343, 24096, 26040, 26355, 26908, 28112, 28830, 29760, 30120, 30752, 31124, 33635, 34720, 35140, 38440, 38905, 40160, 40362, 41664, 42168, 46128, 46686, 48192, 52080, 52710, 53816, 54467, 56224, 57660, 60240, 61504, 62248, 67270, 69440, 70280, 76880, 77810, 80320, 80724, 84336, 92256, 93372, 100905, 104160, 105420, 107632, 108934, 112448, 115320, 116715, 120480, 124496, 134540, 140560, 153760, 155620, 161448, 163401, 168672, 184512, 186744, 201810, 208320, 210840, 215264, 217868, 230640, 233430, 240960, 241211, 248992, 269080, 272335, 281120, 307520, 311240, 322896, 326802, 337344, 373488, 403620, 421680, 430528, 435736, 461280, 466860, 482422, 497984, 538160, 544670, 562240, 622480, 645792, 653604, 723633, 746976, 807240, 817005, 843360, 871472, 922560, 933720, 964844, 1076320, 1089340, 1206055, 1244960, 1291584, 1307208, 1447266, 1493952, 1614480, 1634010, 1686720, 1688477, 1742944, 1867440, 1929688, 2152640, 2178680, 2412110, 2489920, 2614416, 2894532, 3228960, 3268020, 3376954, 3485888, 3618165, 3734880, 3859376, 4357360, 4824220, 5065431, 5228832, 5789064, 6457920, 6536040, 6753908, 7236330, 7469760, 7718752, 8442385, 8714720, 9648440, 10130862, 10457664, 11578128, 13072080, 13507816, 14472660, 15437504, 16884770, 17429440, 19296880, 20261724, 23156256, 25327155, 26144160, 27015632, 28945320, 33769540, 38593760, 40523448, 46312512, 50654310, 52288320, 54031264, 57890640, 67539080, 77187520, 81046896, 101308620, 108062528, 115781280, 135078160, 162093792, 202617240, 231562560, 270156320, 324187584, 405234480, 540312640, 810468960, 1620937920]

約数ペア:

[(1, 1620937920), (2, 810468960), (3, 540312640), (4, 405234480), (5, 324187584), (6, 270156320), (7, 231562560), (8, 202617240), (10, 162093792), (12, 135078160), (14, 115781280), (15, 108062528), (16, 101308620), (20, 81046896), (21, 77187520), (24, 67539080), (28, 57890640), (30, 54031264), (31, 52288320), (32, 50654310), (35, 46312512), (40, 40523448), (42, 38593760), (48, 33769540), (56, 28945320), (60, 27015632), (62, 26144160), (64, 25327155), (70, 23156256), (80, 20261724), (84, 19296880), (93, 17429440), (96, 16884770), (105, 15437504), (112, 14472660), (120, 13507816), (124, 13072080), (140, 11578128), (155, 10457664), (160, 10130862), (168, 9648440), (186, 8714720), (192, 8442385), (210, 7718752), (217, 7469760), (224, 7236330), (240, 6753908), (248, 6536040), (251, 6457920), (280, 5789064), (310, 5228832), (320, 5065431), (336, 4824220), (372, 4357360), (420, 3859376), (434, 3734880), (448, 3618165), (465, 3485888), (480, 3376954), (496, 3268020), (502, 3228960), (560, 2894532), (620, 2614416), (651, 2489920), (672, 2412110), (744, 2178680), (753, 2152640), (840, 1929688), (868, 1867440), (930, 1742944), (960, 1688477), (961, 1686720), (992, 1634010), (1004, 1614480), (1085, 1493952), (1120, 1447266), (1240, 1307208), (1255, 1291584), (1302, 1244960), (1344, 1206055), (1488, 1089340), (1506, 1076320), (1680, 964844), (1736, 933720), (1757, 922560), (1860, 871472), (1922, 843360), (1984, 817005), (2008, 807240), (2170, 746976), (2240, 723633), (2480, 653604), (2510, 645792), (2604, 622480), (2883, 562240), (2976, 544670), (3012, 538160), (3255, 497984), (3360, 482422), (3472, 466860), (3514, 461280), (3720, 435736), (3765, 430528), (3844, 421680), (4016, 403620), (4340, 373488), (4805, 337344), (4960, 326802), (5020, 322896), (5208, 311240), (5271, 307520), (5766, 281120), (5952, 272335), (6024, 269080), (6510, 248992), (6720, 241211), (6727, 240960), (6944, 233430), (7028, 230640), (7440, 217868), (7530, 215264), (7688, 210840), (7781, 208320), (8032, 201810), (8680, 186744), (8785, 184512), (9610, 168672), (9920, 163401), (10040, 161448), (10416, 155620), (10542, 153760), (11532, 140560), (12048, 134540), (13020, 124496), (13454, 120480), (13888, 116715), (14056, 115320), (14415, 112448), (14880, 108934), (15060, 107632), (15376, 105420), (15562, 104160), (16064, 100905), (17360, 93372), (17570, 92256), (19220, 84336), (20080, 80724), (20181, 80320), (20832, 77810), (21084, 76880), (23064, 70280), (23343, 69440), (24096, 67270), (26040, 62248), (26355, 61504), (26908, 60240), (28112, 57660), (28830, 56224), (29760, 54467), (30120, 53816), (30752, 52710), (31124, 52080), (33635, 48192), (34720, 46686), (35140, 46128), (38440, 42168), (38905, 41664), (40160, 40362)]