28746240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 160

約数和(自身を含む): 97225920

約数和(自身を除く): 68479680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 197, 228, 240, 256, 285, 304, 320, 380, 384, 394, 456, 480, 512, 570, 591, 608, 640, 760, 768, 788, 912, 960, 985, 1140, 1182, 1216, 1280, 1520, 1536, 1576, 1824, 1920, 1970, 2280, 2364, 2432, 2560, 2955, 3040, 3152, 3648, 3743, 3840, 3940, 4560, 4728, 4864, 5910, 6080, 6304, 7296, 7486, 7680, 7880, 9120, 9456, 9728, 11229, 11820, 12160, 12608, 14592, 14972, 15760, 18240, 18715, 18912, 22458, 23640, 24320, 25216, 29184, 29944, 31520, 36480, 37430, 37824, 44916, 47280, 48640, 50432, 56145, 59888, 63040, 72960, 74860, 75648, 89832, 94560, 100864, 112290, 119776, 126080, 145920, 149720, 151296, 179664, 189120, 224580, 239552, 252160, 299440, 302592, 359328, 378240, 449160, 479104, 504320, 598880, 718656, 756480, 898320, 958208, 1197760, 1437312, 1512960, 1796640, 1916416, 2395520, 2874624, 3593280, 4791040, 5749248, 7186560, 9582080, 14373120, 28746240]

約数ペア:

[(1, 28746240), (2, 14373120), (3, 9582080), (4, 7186560), (5, 5749248), (6, 4791040), (8, 3593280), (10, 2874624), (12, 2395520), (15, 1916416), (16, 1796640), (19, 1512960), (20, 1437312), (24, 1197760), (30, 958208), (32, 898320), (38, 756480), (40, 718656), (48, 598880), (57, 504320), (60, 479104), (64, 449160), (76, 378240), (80, 359328), (95, 302592), (96, 299440), (114, 252160), (120, 239552), (128, 224580), (152, 189120), (160, 179664), (190, 151296), (192, 149720), (197, 145920), (228, 126080), (240, 119776), (256, 112290), (285, 100864), (304, 94560), (320, 89832), (380, 75648), (384, 74860), (394, 72960), (456, 63040), (480, 59888), (512, 56145), (570, 50432), (591, 48640), (608, 47280), (640, 44916), (760, 37824), (768, 37430), (788, 36480), (912, 31520), (960, 29944), (985, 29184), (1140, 25216), (1182, 24320), (1216, 23640), (1280, 22458), (1520, 18912), (1536, 18715), (1576, 18240), (1824, 15760), (1920, 14972), (1970, 14592), (2280, 12608), (2364, 12160), (2432, 11820), (2560, 11229), (2955, 9728), (3040, 9456), (3152, 9120), (3648, 7880), (3743, 7680), (3840, 7486), (3940, 7296), (4560, 6304), (4728, 6080), (4864, 5910)]