320490240

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11923}}^1$

素因数の和:11954

約数の個数: 144

約数和(自身を含む): 1169887488

約数和(自身を除く): 849397248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 11923, 13440, 23846, 26880, 35769, 47692, 59615, 71538, 83461, 95384, 119230, 143076, 166922, 178845, 190768, 238460, 250383, 286152, 333844, 357690, 381536, 417305, 476920, 500766, 572304, 667688, 715380, 763072, 834610, 953840, 1001532, 1144608, 1251915, 1335376, 1430760, 1526144, 1669220, 1907680, 2003064, 2289216, 2503830, 2670752, 2861520, 3052288, 3338440, 3815360, 4006128, 4578432, 5007660, 5341504, 5723040, 6676880, 7630720, 8012256, 9156864, 10015320, 10683008, 11446080, 13353760, 15261440, 16024512, 20030640, 21366016, 22892160, 26707520, 32049024, 40061280, 45784320, 53415040, 64098048, 80122560, 106830080, 160245120, 320490240]

約数ペア:

[(1, 320490240), (2, 160245120), (3, 106830080), (4, 80122560), (5, 64098048), (6, 53415040), (7, 45784320), (8, 40061280), (10, 32049024), (12, 26707520), (14, 22892160), (15, 21366016), (16, 20030640), (20, 16024512), (21, 15261440), (24, 13353760), (28, 11446080), (30, 10683008), (32, 10015320), (35, 9156864), (40, 8012256), (42, 7630720), (48, 6676880), (56, 5723040), (60, 5341504), (64, 5007660), (70, 4578432), (80, 4006128), (84, 3815360), (96, 3338440), (105, 3052288), (112, 2861520), (120, 2670752), (128, 2503830), (140, 2289216), (160, 2003064), (168, 1907680), (192, 1669220), (210, 1526144), (224, 1430760), (240, 1335376), (256, 1251915), (280, 1144608), (320, 1001532), (336, 953840), (384, 834610), (420, 763072), (448, 715380), (480, 667688), (560, 572304), (640, 500766), (672, 476920), (768, 417305), (840, 381536), (896, 357690), (960, 333844), (1120, 286152), (1280, 250383), (1344, 238460), (1680, 190768), (1792, 178845), (1920, 166922), (2240, 143076), (2688, 119230), (3360, 95384), (3840, 83461), (4480, 71538), (5376, 59615), (6720, 47692), (8960, 35769), (11923, 26880), (13440, 23846)]