80989440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 288

約数和(自身を含む): 310818816

約数和(自身を除く): 229829376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 131, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 256, 262, 276, 280, 320, 322, 336, 345, 368, 384, 393, 420, 448, 460, 480, 483, 524, 552, 560, 640, 644, 655, 672, 690, 736, 768, 786, 805, 840, 896, 917, 920, 960, 966, 1048, 1104, 1120, 1280, 1288, 1310, 1344, 1380, 1472, 1572, 1610, 1680, 1792, 1834, 1840, 1920, 1932, 1965, 2096, 2208, 2240, 2415, 2576, 2620, 2688, 2751, 2760, 2944, 3013, 3144, 3220, 3360, 3668, 3680, 3840, 3864, 3930, 4192, 4416, 4480, 4585, 4830, 5152, 5240, 5376, 5502, 5520, 5888, 6026, 6288, 6440, 6720, 7336, 7360, 7728, 7860, 8384, 8832, 8960, 9039, 9170, 9660, 10304, 10480, 11004, 11040, 12052, 12576, 12880, 13440, 13755, 14672, 14720, 15065, 15456, 15720, 16768, 17664, 18078, 18340, 19320, 20608, 20960, 21091, 22008, 22080, 24104, 25152, 25760, 26880, 27510, 29344, 29440, 30130, 30912, 31440, 33536, 36156, 36680, 38640, 41216, 41920, 42182, 44016, 44160, 45195, 48208, 50304, 51520, 55020, 58688, 60260, 61824, 62880, 63273, 72312, 73360, 77280, 83840, 84364, 88032, 88320, 90390, 96416, 100608, 103040, 105455, 110040, 117376, 120520, 123648, 125760, 126546, 144624, 146720, 154560, 167680, 168728, 176064, 180780, 192832, 206080, 210910, 220080, 234752, 241040, 251520, 253092, 289248, 293440, 309120, 316365, 337456, 352128, 361560, 385664, 421820, 440160, 482080, 503040, 506184, 578496, 586880, 618240, 632730, 674912, 704256, 723120, 771328, 843640, 880320, 964160, 1012368, 1156992, 1173760, 1265460, 1349824, 1446240, 1687280, 1760640, 1928320, 2024736, 2313984, 2530920, 2699648, 2892480, 3374560, 3521280, 3856640, 4049472, 5061840, 5399296, 5784960, 6749120, 8098944, 10123680, 11569920, 13498240, 16197888, 20247360, 26996480, 40494720, 80989440]

約数ペア:

[(1, 80989440), (2, 40494720), (3, 26996480), (4, 20247360), (5, 16197888), (6, 13498240), (7, 11569920), (8, 10123680), (10, 8098944), (12, 6749120), (14, 5784960), (15, 5399296), (16, 5061840), (20, 4049472), (21, 3856640), (23, 3521280), (24, 3374560), (28, 2892480), (30, 2699648), (32, 2530920), (35, 2313984), (40, 2024736), (42, 1928320), (46, 1760640), (48, 1687280), (56, 1446240), (60, 1349824), (64, 1265460), (69, 1173760), (70, 1156992), (80, 1012368), (84, 964160), (92, 880320), (96, 843640), (105, 771328), (112, 723120), (115, 704256), (120, 674912), (128, 632730), (131, 618240), (138, 586880), (140, 578496), (160, 506184), (161, 503040), (168, 482080), (184, 440160), (192, 421820), (210, 385664), (224, 361560), (230, 352128), (240, 337456), (256, 316365), (262, 309120), (276, 293440), (280, 289248), (320, 253092), (322, 251520), (336, 241040), (345, 234752), (368, 220080), (384, 210910), (393, 206080), (420, 192832), (448, 180780), (460, 176064), (480, 168728), (483, 167680), (524, 154560), (552, 146720), (560, 144624), (640, 126546), (644, 125760), (655, 123648), (672, 120520), (690, 117376), (736, 110040), (768, 105455), (786, 103040), (805, 100608), (840, 96416), (896, 90390), (917, 88320), (920, 88032), (960, 84364), (966, 83840), (1048, 77280), (1104, 73360), (1120, 72312), (1280, 63273), (1288, 62880), (1310, 61824), (1344, 60260), (1380, 58688), (1472, 55020), (1572, 51520), (1610, 50304), (1680, 48208), (1792, 45195), (1834, 44160), (1840, 44016), (1920, 42182), (1932, 41920), (1965, 41216), (2096, 38640), (2208, 36680), (2240, 36156), (2415, 33536), (2576, 31440), (2620, 30912), (2688, 30130), (2751, 29440), (2760, 29344), (2944, 27510), (3013, 26880), (3144, 25760), (3220, 25152), (3360, 24104), (3668, 22080), (3680, 22008), (3840, 21091), (3864, 20960), (3930, 20608), (4192, 19320), (4416, 18340), (4480, 18078), (4585, 17664), (4830, 16768), (5152, 15720), (5240, 15456), (5376, 15065), (5502, 14720), (5520, 14672), (5888, 13755), (6026, 13440), (6288, 12880), (6440, 12576), (6720, 12052), (7336, 11040), (7360, 11004), (7728, 10480), (7860, 10304), (8384, 9660), (8832, 9170), (8960, 9039)]