261008640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 216

約数和(自身を含む): 915139680

約数和(自身を除く): 654131040

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, 139, 144, 160, 163, 180, 192, 240, 256, 278, 288, 320, 326, 360, 384, 417, 480, 489, 556, 576, 640, 652, 695, 720, 768, 815, 834, 960, 978, 1112, 1152, 1251, 1280, 1304, 1390, 1440, 1467, 1630, 1668, 1920, 1956, 2085, 2224, 2304, 2445, 2502, 2608, 2780, 2880, 2934, 3260, 3336, 3840, 3912, 4170, 4448, 4890, 5004, 5216, 5560, 5760, 5868, 6255, 6520, 6672, 7335, 7824, 8340, 8896, 9780, 10008, 10432, 11120, 11520, 11736, 12510, 13040, 13344, 14670, 15648, 16680, 17792, 19560, 20016, 20864, 22240, 22657, 23472, 25020, 26080, 26688, 29340, 31296, 33360, 35584, 39120, 40032, 41728, 44480, 45314, 46944, 50040, 52160, 53376, 58680, 62592, 66720, 67971, 78240, 80064, 88960, 90628, 93888, 100080, 104320, 106752, 113285, 117360, 125184, 133440, 135942, 156480, 160128, 177920, 181256, 187776, 200160, 203913, 208640, 226570, 234720, 266880, 271884, 312960, 320256, 339855, 362512, 375552, 400320, 407826, 453140, 469440, 533760, 543768, 625920, 679710, 725024, 800640, 815652, 906280, 938880, 1019565, 1087536, 1359420, 1450048, 1601280, 1631304, 1812560, 1877760, 2039130, 2175072, 2718840, 2900096, 3262608, 3625120, 4078260, 4350144, 5437680, 5800192, 6525216, 7250240, 8156520, 8700288, 10875360, 13050432, 14500480, 16313040, 17400576, 21750720, 26100864, 29000960, 32626080, 43501440, 52201728, 65252160, 87002880, 130504320, 261008640]

約数ペア:

[(1, 261008640), (2, 130504320), (3, 87002880), (4, 65252160), (5, 52201728), (6, 43501440), (8, 32626080), (9, 29000960), (10, 26100864), (12, 21750720), (15, 17400576), (16, 16313040), (18, 14500480), (20, 13050432), (24, 10875360), (30, 8700288), (32, 8156520), (36, 7250240), (40, 6525216), (45, 5800192), (48, 5437680), (60, 4350144), (64, 4078260), (72, 3625120), (80, 3262608), (90, 2900096), (96, 2718840), (120, 2175072), (128, 2039130), (139, 1877760), (144, 1812560), (160, 1631304), (163, 1601280), (180, 1450048), (192, 1359420), (240, 1087536), (256, 1019565), (278, 938880), (288, 906280), (320, 815652), (326, 800640), (360, 725024), (384, 679710), (417, 625920), (480, 543768), (489, 533760), (556, 469440), (576, 453140), (640, 407826), (652, 400320), (695, 375552), (720, 362512), (768, 339855), (815, 320256), (834, 312960), (960, 271884), (978, 266880), (1112, 234720), (1152, 226570), (1251, 208640), (1280, 203913), (1304, 200160), (1390, 187776), (1440, 181256), (1467, 177920), (1630, 160128), (1668, 156480), (1920, 135942), (1956, 133440), (2085, 125184), (2224, 117360), (2304, 113285), (2445, 106752), (2502, 104320), (2608, 100080), (2780, 93888), (2880, 90628), (2934, 88960), (3260, 80064), (3336, 78240), (3840, 67971), (3912, 66720), (4170, 62592), (4448, 58680), (4890, 53376), (5004, 52160), (5216, 50040), (5560, 46944), (5760, 45314), (5868, 44480), (6255, 41728), (6520, 40032), (6672, 39120), (7335, 35584), (7824, 33360), (8340, 31296), (8896, 29340), (9780, 26688), (10008, 26080), (10432, 25020), (11120, 23472), (11520, 22657), (11736, 22240), (12510, 20864), (13040, 20016), (13344, 19560), (14670, 17792), (15648, 16680)]