217127820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:94

約数の個数: 432

約数和(自身を含む): 841155840

約数和(自身を除く): 624028020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 23, 26, 28, 30, 35, 38, 39, 42, 46, 49, 52, 57, 60, 65, 69, 70, 76, 78, 84, 91, 92, 95, 98, 105, 114, 115, 130, 133, 138, 140, 147, 156, 161, 169, 182, 190, 195, 196, 210, 228, 230, 245, 247, 260, 266, 273, 276, 285, 294, 299, 322, 338, 345, 364, 380, 390, 399, 420, 437, 455, 460, 483, 490, 494, 507, 532, 546, 570, 588, 598, 637, 644, 665, 676, 690, 735, 741, 780, 798, 805, 845, 874, 897, 910, 931, 966, 980, 988, 1014, 1092, 1127, 1140, 1183, 1196, 1235, 1274, 1311, 1330, 1365, 1380, 1470, 1482, 1495, 1596, 1610, 1690, 1729, 1748, 1794, 1820, 1862, 1911, 1932, 1995, 2028, 2093, 2185, 2254, 2366, 2415, 2470, 2535, 2548, 2622, 2660, 2730, 2793, 2940, 2964, 2990, 3059, 3185, 3211, 3220, 3380, 3381, 3458, 3549, 3588, 3705, 3724, 3822, 3887, 3990, 4186, 4370, 4485, 4508, 4655, 4732, 4830, 4940, 5070, 5187, 5244, 5460, 5586, 5635, 5681, 5915, 5980, 6118, 6279, 6370, 6422, 6555, 6762, 6916, 7098, 7410, 7644, 7774, 7980, 8281, 8372, 8645, 8740, 8970, 9177, 9310, 9555, 9633, 9660, 10140, 10374, 10465, 11172, 11270, 11362, 11661, 11830, 12103, 12236, 12558, 12740, 12844, 13110, 13524, 13965, 14196, 14651, 14820, 15295, 15548, 16055, 16562, 16905, 17043, 17290, 17745, 17940, 18354, 18620, 19110, 19266, 19435, 20748, 20930, 21413, 22477, 22540, 22724, 23322, 23660, 24206, 24843, 25116, 25935, 26220, 27209, 27930, 28405, 29302, 30590, 31395, 32110, 33124, 33810, 34086, 34580, 35490, 36309, 36708, 38220, 38532, 38870, 39767, 41405, 41860, 42826, 43953, 44954, 45885, 46644, 48165, 48412, 49686, 51870, 54418, 55860, 56810, 58305, 58604, 60515, 61180, 62790, 64220, 64239, 67431, 67620, 68172, 70980, 72618, 73255, 73853, 77740, 79534, 81627, 82810, 85215, 85652, 87906, 89908, 91770, 96330, 99372, 103740, 107065, 108836, 112385, 113620, 116610, 119301, 121030, 124215, 125580, 128478, 134862, 136045, 145236, 146510, 147706, 157339, 159068, 163254, 165620, 170430, 175812, 181545, 183540, 190463, 192660, 198835, 214130, 219765, 221559, 224770, 233220, 238602, 242060, 248430, 256956, 269724, 272090, 278369, 293020, 295412, 314678, 321195, 326508, 337155, 340860, 363090, 369265, 380926, 397670, 408135, 428260, 439530, 443118, 449540, 472017, 477204, 496860, 516971, 544180, 556738, 571389, 596505, 629356, 642390, 674310, 726180, 738530, 761852, 786695, 795340, 816270, 835107, 879060, 886236, 944034, 952315, 1033942, 1107795, 1113476, 1142778, 1193010, 1284780, 1348620, 1391845, 1477060, 1550913, 1573390, 1632540, 1670214, 1888068, 1904630, 2067884, 2215590, 2285556, 2360085, 2386020, 2584855, 2783690, 2856945, 3101826, 3146780, 3340428, 3618797, 3809260, 4175535, 4431180, 4720170, 5169710, 5567380, 5713890, 6203652, 7237594, 7754565, 8351070, 9440340, 10339420, 10856391, 11427780, 14475188, 15509130, 16702140, 18093985, 21712782, 31018260, 36187970, 43425564, 54281955, 72375940, 108563910, 217127820]

約数ペア:

[(1, 217127820), (2, 108563910), (3, 72375940), (4, 54281955), (5, 43425564), (6, 36187970), (7, 31018260), (10, 21712782), (12, 18093985), (13, 16702140), (14, 15509130), (15, 14475188), (19, 11427780), (20, 10856391), (21, 10339420), (23, 9440340), (26, 8351070), (28, 7754565), (30, 7237594), (35, 6203652), (38, 5713890), (39, 5567380), (42, 5169710), (46, 4720170), (49, 4431180), (52, 4175535), (57, 3809260), (60, 3618797), (65, 3340428), (69, 3146780), (70, 3101826), (76, 2856945), (78, 2783690), (84, 2584855), (91, 2386020), (92, 2360085), (95, 2285556), (98, 2215590), (105, 2067884), (114, 1904630), (115, 1888068), (130, 1670214), (133, 1632540), (138, 1573390), (140, 1550913), (147, 1477060), (156, 1391845), (161, 1348620), (169, 1284780), (182, 1193010), (190, 1142778), (195, 1113476), (196, 1107795), (210, 1033942), (228, 952315), (230, 944034), (245, 886236), (247, 879060), (260, 835107), (266, 816270), (273, 795340), (276, 786695), (285, 761852), (294, 738530), (299, 726180), (322, 674310), (338, 642390), (345, 629356), (364, 596505), (380, 571389), (390, 556738), (399, 544180), (420, 516971), (437, 496860), (455, 477204), (460, 472017), (483, 449540), (490, 443118), (494, 439530), (507, 428260), (532, 408135), (546, 397670), (570, 380926), (588, 369265), (598, 363090), (637, 340860), (644, 337155), (665, 326508), (676, 321195), (690, 314678), (735, 295412), (741, 293020), (780, 278369), (798, 272090), (805, 269724), (845, 256956), (874, 248430), (897, 242060), (910, 238602), (931, 233220), (966, 224770), (980, 221559), (988, 219765), (1014, 214130), (1092, 198835), (1127, 192660), (1140, 190463), (1183, 183540), (1196, 181545), (1235, 175812), (1274, 170430), (1311, 165620), (1330, 163254), (1365, 159068), (1380, 157339), (1470, 147706), (1482, 146510), (1495, 145236), (1596, 136045), (1610, 134862), (1690, 128478), (1729, 125580), (1748, 124215), (1794, 121030), (1820, 119301), (1862, 116610), (1911, 113620), (1932, 112385), (1995, 108836), (2028, 107065), (2093, 103740), (2185, 99372), (2254, 96330), (2366, 91770), (2415, 89908), (2470, 87906), (2535, 85652), (2548, 85215), (2622, 82810), (2660, 81627), (2730, 79534), (2793, 77740), (2940, 73853), (2964, 73255), (2990, 72618), (3059, 70980), (3185, 68172), (3211, 67620), (3220, 67431), (3380, 64239), (3381, 64220), (3458, 62790), (3549, 61180), (3588, 60515), (3705, 58604), (3724, 58305), (3822, 56810), (3887, 55860), (3990, 54418), (4186, 51870), (4370, 49686), (4485, 48412), (4508, 48165), (4655, 46644), (4732, 45885), (4830, 44954), (4940, 43953), (5070, 42826), (5187, 41860), (5244, 41405), (5460, 39767), (5586, 38870), (5635, 38532), (5681, 38220), (5915, 36708), (5980, 36309), (6118, 35490), (6279, 34580), (6370, 34086), (6422, 33810), (6555, 33124), (6762, 32110), (6916, 31395), (7098, 30590), (7410, 29302), (7644, 28405), (7774, 27930), (7980, 27209), (8281, 26220), (8372, 25935), (8645, 25116), (8740, 24843), (8970, 24206), (9177, 23660), (9310, 23322), (9555, 22724), (9633, 22540), (9660, 22477), (10140, 21413), (10374, 20930), (10465, 20748), (11172, 19435), (11270, 19266), (11362, 19110), (11661, 18620), (11830, 18354), (12103, 17940), (12236, 17745), (12558, 17290), (12740, 17043), (12844, 16905), (13110, 16562), (13524, 16055), (13965, 15548), (14196, 15295), (14651, 14820)]