320498880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 224

約数和(自身を含む): 1116470208

約数和(自身を除く): 795971328

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, 130, 156, 160, 183, 192, 195, 208, 240, 244, 260, 305, 312, 320, 366, 390, 416, 421, 480, 488, 520, 610, 624, 732, 780, 793, 832, 842, 915, 960, 976, 1040, 1220, 1248, 1263, 1464, 1560, 1586, 1684, 1830, 1952, 2080, 2105, 2379, 2440, 2496, 2526, 2928, 3120, 3172, 3368, 3660, 3904, 3965, 4160, 4210, 4758, 4880, 5052, 5473, 5856, 6240, 6315, 6344, 6736, 7320, 7930, 8420, 9516, 9760, 10104, 10946, 11712, 11895, 12480, 12630, 12688, 13472, 14640, 15860, 16419, 16840, 19032, 19520, 20208, 21892, 23790, 25260, 25376, 25681, 26944, 27365, 29280, 31720, 32838, 33680, 38064, 40416, 43784, 47580, 50520, 50752, 51362, 54730, 58560, 63440, 65676, 67360, 76128, 77043, 80832, 82095, 87568, 95160, 101040, 102724, 109460, 126880, 128405, 131352, 134720, 152256, 154086, 164190, 175136, 190320, 202080, 205448, 218920, 253760, 256810, 262704, 308172, 328380, 333853, 350272, 380640, 385215, 404160, 410896, 437840, 513620, 525408, 616344, 656760, 667706, 761280, 770430, 821792, 875680, 1001559, 1027240, 1050816, 1232688, 1313520, 1335412, 1540860, 1643584, 1669265, 1751360, 2003118, 2054480, 2465376, 2627040, 2670824, 3081720, 3338530, 4006236, 4108960, 4930752, 5007795, 5254080, 5341648, 6163440, 6677060, 8012472, 8217920, 10015590, 10683296, 12326880, 13354120, 16024944, 20031180, 21366592, 24653760, 26708240, 32049888, 40062360, 53416480, 64099776, 80124720, 106832960, 160249440, 320498880]

約数ペア:

[(1, 320498880), (2, 160249440), (3, 106832960), (4, 80124720), (5, 64099776), (6, 53416480), (8, 40062360), (10, 32049888), (12, 26708240), (13, 24653760), (15, 21366592), (16, 20031180), (20, 16024944), (24, 13354120), (26, 12326880), (30, 10683296), (32, 10015590), (39, 8217920), (40, 8012472), (48, 6677060), (52, 6163440), (60, 5341648), (61, 5254080), (64, 5007795), (65, 4930752), (78, 4108960), (80, 4006236), (96, 3338530), (104, 3081720), (120, 2670824), (122, 2627040), (130, 2465376), (156, 2054480), (160, 2003118), (183, 1751360), (192, 1669265), (195, 1643584), (208, 1540860), (240, 1335412), (244, 1313520), (260, 1232688), (305, 1050816), (312, 1027240), (320, 1001559), (366, 875680), (390, 821792), (416, 770430), (421, 761280), (480, 667706), (488, 656760), (520, 616344), (610, 525408), (624, 513620), (732, 437840), (780, 410896), (793, 404160), (832, 385215), (842, 380640), (915, 350272), (960, 333853), (976, 328380), (1040, 308172), (1220, 262704), (1248, 256810), (1263, 253760), (1464, 218920), (1560, 205448), (1586, 202080), (1684, 190320), (1830, 175136), (1952, 164190), (2080, 154086), (2105, 152256), (2379, 134720), (2440, 131352), (2496, 128405), (2526, 126880), (2928, 109460), (3120, 102724), (3172, 101040), (3368, 95160), (3660, 87568), (3904, 82095), (3965, 80832), (4160, 77043), (4210, 76128), (4758, 67360), (4880, 65676), (5052, 63440), (5473, 58560), (5856, 54730), (6240, 51362), (6315, 50752), (6344, 50520), (6736, 47580), (7320, 43784), (7930, 40416), (8420, 38064), (9516, 33680), (9760, 32838), (10104, 31720), (10946, 29280), (11712, 27365), (11895, 26944), (12480, 25681), (12630, 25376), (12688, 25260), (13472, 23790), (14640, 21892), (15860, 20208), (16419, 19520), (16840, 19032)]