123306240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 398236608

約数和(自身を除く): 274930368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 163, 192, 197, 240, 256, 320, 326, 384, 394, 480, 489, 591, 640, 652, 768, 788, 815, 960, 978, 985, 1182, 1280, 1304, 1576, 1630, 1920, 1956, 1970, 2364, 2445, 2608, 2955, 3152, 3260, 3840, 3912, 3940, 4728, 4890, 5216, 5910, 6304, 6520, 7824, 7880, 9456, 9780, 10432, 11820, 12608, 13040, 15648, 15760, 18912, 19560, 20864, 23640, 25216, 26080, 31296, 31520, 32111, 37824, 39120, 41728, 47280, 50432, 52160, 62592, 63040, 64222, 75648, 78240, 94560, 96333, 104320, 125184, 126080, 128444, 151296, 156480, 160555, 189120, 192666, 208640, 252160, 256888, 312960, 321110, 378240, 385332, 481665, 513776, 625920, 642220, 756480, 770664, 963330, 1027552, 1284440, 1541328, 1926660, 2055104, 2568880, 3082656, 3853320, 4110208, 5137760, 6165312, 7706640, 8220416, 10275520, 12330624, 15413280, 20551040, 24661248, 30826560, 41102080, 61653120, 123306240]

約数ペア:

[(1, 123306240), (2, 61653120), (3, 41102080), (4, 30826560), (5, 24661248), (6, 20551040), (8, 15413280), (10, 12330624), (12, 10275520), (15, 8220416), (16, 7706640), (20, 6165312), (24, 5137760), (30, 4110208), (32, 3853320), (40, 3082656), (48, 2568880), (60, 2055104), (64, 1926660), (80, 1541328), (96, 1284440), (120, 1027552), (128, 963330), (160, 770664), (163, 756480), (192, 642220), (197, 625920), (240, 513776), (256, 481665), (320, 385332), (326, 378240), (384, 321110), (394, 312960), (480, 256888), (489, 252160), (591, 208640), (640, 192666), (652, 189120), (768, 160555), (788, 156480), (815, 151296), (960, 128444), (978, 126080), (985, 125184), (1182, 104320), (1280, 96333), (1304, 94560), (1576, 78240), (1630, 75648), (1920, 64222), (1956, 63040), (1970, 62592), (2364, 52160), (2445, 50432), (2608, 47280), (2955, 41728), (3152, 39120), (3260, 37824), (3840, 32111), (3912, 31520), (3940, 31296), (4728, 26080), (4890, 25216), (5216, 23640), (5910, 20864), (6304, 19560), (6520, 18912), (7824, 15760), (7880, 15648), (9456, 13040), (9780, 12608), (10432, 11820)]