261413760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8009}}^1$

素因数の和:8048

約数の個数: 128

約数和(自身を含む): 882381600

約数和(自身を除く): 620967840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8009, 8160, 10880, 16018, 16320, 24027, 32036, 32640, 40045, 48054, 64072, 80090, 96108, 120135, 128144, 136153, 160180, 192216, 240270, 256288, 272306, 320360, 384432, 408459, 480540, 512576, 544612, 640720, 680765, 768864, 816918, 961080, 1025152, 1089224, 1281440, 1361530, 1537728, 1633836, 1922160, 2042295, 2178448, 2562880, 2723060, 3075456, 3267672, 3844320, 4084590, 4356896, 5125760, 5446120, 6535344, 7688640, 8169180, 8713792, 10892240, 13070688, 15377280, 16338360, 17427584, 21784480, 26141376, 32676720, 43568960, 52282752, 65353440, 87137920, 130706880, 261413760]

約数ペア:

[(1, 261413760), (2, 130706880), (3, 87137920), (4, 65353440), (5, 52282752), (6, 43568960), (8, 32676720), (10, 26141376), (12, 21784480), (15, 17427584), (16, 16338360), (17, 15377280), (20, 13070688), (24, 10892240), (30, 8713792), (32, 8169180), (34, 7688640), (40, 6535344), (48, 5446120), (51, 5125760), (60, 4356896), (64, 4084590), (68, 3844320), (80, 3267672), (85, 3075456), (96, 2723060), (102, 2562880), (120, 2178448), (128, 2042295), (136, 1922160), (160, 1633836), (170, 1537728), (192, 1361530), (204, 1281440), (240, 1089224), (255, 1025152), (272, 961080), (320, 816918), (340, 768864), (384, 680765), (408, 640720), (480, 544612), (510, 512576), (544, 480540), (640, 408459), (680, 384432), (816, 320360), (960, 272306), (1020, 256288), (1088, 240270), (1360, 192216), (1632, 160180), (1920, 136153), (2040, 128144), (2176, 120135), (2720, 96108), (3264, 80090), (4080, 64072), (5440, 48054), (6528, 40045), (8009, 32640), (8160, 32036), (10880, 24027), (16018, 16320)]