31176960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 104194944

約数和(自身を除く): 73017984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 353, 368, 384, 460, 480, 552, 640, 690, 706, 736, 768, 920, 960, 1059, 1104, 1280, 1380, 1412, 1472, 1765, 1840, 1920, 2118, 2208, 2760, 2824, 2944, 3530, 3680, 3840, 4236, 4416, 5295, 5520, 5648, 5888, 7060, 7360, 8119, 8472, 8832, 10590, 11040, 11296, 14120, 14720, 16238, 16944, 17664, 21180, 22080, 22592, 24357, 28240, 29440, 32476, 33888, 40595, 42360, 44160, 45184, 48714, 56480, 64952, 67776, 81190, 84720, 88320, 90368, 97428, 112960, 121785, 129904, 135552, 162380, 169440, 194856, 225920, 243570, 259808, 271104, 324760, 338880, 389712, 451840, 487140, 519616, 649520, 677760, 779424, 974280, 1039232, 1299040, 1355520, 1558848, 1948560, 2078464, 2598080, 3117696, 3897120, 5196160, 6235392, 7794240, 10392320, 15588480, 31176960]

約数ペア:

[(1, 31176960), (2, 15588480), (3, 10392320), (4, 7794240), (5, 6235392), (6, 5196160), (8, 3897120), (10, 3117696), (12, 2598080), (15, 2078464), (16, 1948560), (20, 1558848), (23, 1355520), (24, 1299040), (30, 1039232), (32, 974280), (40, 779424), (46, 677760), (48, 649520), (60, 519616), (64, 487140), (69, 451840), (80, 389712), (92, 338880), (96, 324760), (115, 271104), (120, 259808), (128, 243570), (138, 225920), (160, 194856), (184, 169440), (192, 162380), (230, 135552), (240, 129904), (256, 121785), (276, 112960), (320, 97428), (345, 90368), (353, 88320), (368, 84720), (384, 81190), (460, 67776), (480, 64952), (552, 56480), (640, 48714), (690, 45184), (706, 44160), (736, 42360), (768, 40595), (920, 33888), (960, 32476), (1059, 29440), (1104, 28240), (1280, 24357), (1380, 22592), (1412, 22080), (1472, 21180), (1765, 17664), (1840, 16944), (1920, 16238), (2118, 14720), (2208, 14120), (2760, 11296), (2824, 11040), (2944, 10590), (3530, 8832), (3680, 8472), (3840, 8119), (4236, 7360), (4416, 7060), (5295, 5888), (5520, 5648)]