123505920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 436205952

約数和(自身を除く): 312700032

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, 71, 72, 80, 90, 96, 120, 128, 142, 144, 151, 160, 180, 192, 213, 240, 256, 284, 288, 302, 320, 355, 360, 384, 426, 453, 480, 568, 576, 604, 639, 640, 710, 720, 755, 768, 852, 906, 960, 1065, 1136, 1152, 1208, 1278, 1280, 1359, 1420, 1440, 1510, 1704, 1812, 1920, 2130, 2265, 2272, 2304, 2416, 2556, 2718, 2840, 2880, 3020, 3195, 3408, 3624, 3840, 4260, 4530, 4544, 4832, 5112, 5436, 5680, 5760, 6040, 6390, 6795, 6816, 7248, 8520, 9060, 9088, 9664, 10224, 10721, 10872, 11360, 11520, 12080, 12780, 13590, 13632, 14496, 17040, 18120, 18176, 19328, 20448, 21442, 21744, 22720, 24160, 25560, 27180, 27264, 28992, 32163, 34080, 36240, 38656, 40896, 42884, 43488, 45440, 48320, 51120, 53605, 54360, 54528, 57984, 64326, 68160, 72480, 81792, 85768, 86976, 90880, 96489, 96640, 102240, 107210, 108720, 115968, 128652, 136320, 144960, 160815, 163584, 171536, 173952, 192978, 193280, 204480, 214420, 217440, 257304, 272640, 289920, 321630, 343072, 347904, 385956, 408960, 428840, 434880, 482445, 514608, 579840, 643260, 686144, 771912, 817920, 857680, 869760, 964890, 1029216, 1286520, 1372288, 1543824, 1715360, 1739520, 1929780, 2058432, 2573040, 2744576, 3087648, 3430720, 3859560, 4116864, 5146080, 6175296, 6861440, 7719120, 8233728, 10292160, 12350592, 13722880, 15438240, 20584320, 24701184, 30876480, 41168640, 61752960, 123505920]

約数ペア:

[(1, 123505920), (2, 61752960), (3, 41168640), (4, 30876480), (5, 24701184), (6, 20584320), (8, 15438240), (9, 13722880), (10, 12350592), (12, 10292160), (15, 8233728), (16, 7719120), (18, 6861440), (20, 6175296), (24, 5146080), (30, 4116864), (32, 3859560), (36, 3430720), (40, 3087648), (45, 2744576), (48, 2573040), (60, 2058432), (64, 1929780), (71, 1739520), (72, 1715360), (80, 1543824), (90, 1372288), (96, 1286520), (120, 1029216), (128, 964890), (142, 869760), (144, 857680), (151, 817920), (160, 771912), (180, 686144), (192, 643260), (213, 579840), (240, 514608), (256, 482445), (284, 434880), (288, 428840), (302, 408960), (320, 385956), (355, 347904), (360, 343072), (384, 321630), (426, 289920), (453, 272640), (480, 257304), (568, 217440), (576, 214420), (604, 204480), (639, 193280), (640, 192978), (710, 173952), (720, 171536), (755, 163584), (768, 160815), (852, 144960), (906, 136320), (960, 128652), (1065, 115968), (1136, 108720), (1152, 107210), (1208, 102240), (1278, 96640), (1280, 96489), (1359, 90880), (1420, 86976), (1440, 85768), (1510, 81792), (1704, 72480), (1812, 68160), (1920, 64326), (2130, 57984), (2265, 54528), (2272, 54360), (2304, 53605), (2416, 51120), (2556, 48320), (2718, 45440), (2840, 43488), (2880, 42884), (3020, 40896), (3195, 38656), (3408, 36240), (3624, 34080), (3840, 32163), (4260, 28992), (4530, 27264), (4544, 27180), (4832, 25560), (5112, 24160), (5436, 22720), (5680, 21744), (5760, 21442), (6040, 20448), (6390, 19328), (6795, 18176), (6816, 18120), (7248, 17040), (8520, 14496), (9060, 13632), (9088, 13590), (9664, 12780), (10224, 12080), (10721, 11520), (10872, 11360)]