248177280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 256

約数和(自身を含む): 871194240

約数和(自身を除く): 623016960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 61, 64, 65, 78, 80, 96, 104, 120, 122, 128, 130, 156, 160, 163, 183, 192, 195, 208, 240, 244, 260, 305, 312, 320, 326, 366, 384, 390, 416, 480, 488, 489, 520, 610, 624, 640, 652, 732, 780, 793, 815, 832, 915, 960, 976, 978, 1040, 1220, 1248, 1304, 1464, 1560, 1586, 1630, 1664, 1830, 1920, 1952, 1956, 2080, 2119, 2379, 2440, 2445, 2496, 2608, 2928, 3120, 3172, 3260, 3660, 3904, 3912, 3965, 4160, 4238, 4758, 4880, 4890, 4992, 5216, 5856, 6240, 6344, 6357, 6520, 7320, 7808, 7824, 7930, 8320, 8476, 9516, 9760, 9780, 9943, 10432, 10595, 11712, 11895, 12480, 12688, 12714, 13040, 14640, 15648, 15860, 16952, 19032, 19520, 19560, 19886, 20864, 21190, 23424, 23790, 24960, 25376, 25428, 26080, 29280, 29829, 31296, 31720, 31785, 33904, 38064, 39040, 39120, 39772, 42380, 47580, 49715, 50752, 50856, 52160, 58560, 59658, 62592, 63440, 63570, 67808, 76128, 78240, 79544, 84760, 95160, 99430, 101504, 101712, 104320, 117120, 119316, 126880, 127140, 129259, 135616, 149145, 152256, 156480, 159088, 169520, 190320, 198860, 203424, 238632, 253760, 254280, 258518, 271232, 298290, 304512, 312960, 318176, 339040, 380640, 387777, 397720, 406848, 477264, 507520, 508560, 517036, 596580, 636352, 646295, 678080, 761280, 775554, 795440, 813696, 954528, 1017120, 1034072, 1193160, 1272704, 1292590, 1356160, 1522560, 1551108, 1590880, 1909056, 1938885, 2034240, 2068144, 2386320, 2585180, 3102216, 3181760, 3818112, 3877770, 4068480, 4136288, 4772640, 5170360, 6204432, 6363520, 7755540, 8272576, 9545280, 10340720, 12408864, 15511080, 16545152, 19090560, 20681440, 24817728, 31022160, 41362880, 49635456, 62044320, 82725760, 124088640, 248177280]

約数ペア:

[(1, 248177280), (2, 124088640), (3, 82725760), (4, 62044320), (5, 49635456), (6, 41362880), (8, 31022160), (10, 24817728), (12, 20681440), (13, 19090560), (15, 16545152), (16, 15511080), (20, 12408864), (24, 10340720), (26, 9545280), (30, 8272576), (32, 7755540), (39, 6363520), (40, 6204432), (48, 5170360), (52, 4772640), (60, 4136288), (61, 4068480), (64, 3877770), (65, 3818112), (78, 3181760), (80, 3102216), (96, 2585180), (104, 2386320), (120, 2068144), (122, 2034240), (128, 1938885), (130, 1909056), (156, 1590880), (160, 1551108), (163, 1522560), (183, 1356160), (192, 1292590), (195, 1272704), (208, 1193160), (240, 1034072), (244, 1017120), (260, 954528), (305, 813696), (312, 795440), (320, 775554), (326, 761280), (366, 678080), (384, 646295), (390, 636352), (416, 596580), (480, 517036), (488, 508560), (489, 507520), (520, 477264), (610, 406848), (624, 397720), (640, 387777), (652, 380640), (732, 339040), (780, 318176), (793, 312960), (815, 304512), (832, 298290), (915, 271232), (960, 258518), (976, 254280), (978, 253760), (1040, 238632), (1220, 203424), (1248, 198860), (1304, 190320), (1464, 169520), (1560, 159088), (1586, 156480), (1630, 152256), (1664, 149145), (1830, 135616), (1920, 129259), (1952, 127140), (1956, 126880), (2080, 119316), (2119, 117120), (2379, 104320), (2440, 101712), (2445, 101504), (2496, 99430), (2608, 95160), (2928, 84760), (3120, 79544), (3172, 78240), (3260, 76128), (3660, 67808), (3904, 63570), (3912, 63440), (3965, 62592), (4160, 59658), (4238, 58560), (4758, 52160), (4880, 50856), (4890, 50752), (4992, 49715), (5216, 47580), (5856, 42380), (6240, 39772), (6344, 39120), (6357, 39040), (6520, 38064), (7320, 33904), (7808, 31785), (7824, 31720), (7930, 31296), (8320, 29829), (8476, 29280), (9516, 26080), (9760, 25428), (9780, 25376), (9943, 24960), (10432, 23790), (10595, 23424), (11712, 21190), (11895, 20864), (12480, 19886), (12688, 19560), (12714, 19520), (13040, 19032), (14640, 16952), (15648, 15860)]