68916480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 223401024

約数和(自身を除く): 154484544

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, 131, 137, 160, 192, 240, 256, 262, 274, 320, 384, 393, 411, 480, 524, 548, 640, 655, 685, 768, 786, 822, 960, 1048, 1096, 1280, 1310, 1370, 1572, 1644, 1920, 1965, 2055, 2096, 2192, 2620, 2740, 3144, 3288, 3840, 3930, 4110, 4192, 4384, 5240, 5480, 6288, 6576, 7860, 8220, 8384, 8768, 10480, 10960, 12576, 13152, 15720, 16440, 16768, 17536, 17947, 20960, 21920, 25152, 26304, 31440, 32880, 33536, 35072, 35894, 41920, 43840, 50304, 52608, 53841, 62880, 65760, 71788, 83840, 87680, 89735, 100608, 105216, 107682, 125760, 131520, 143576, 167680, 175360, 179470, 215364, 251520, 263040, 269205, 287152, 358940, 430728, 503040, 526080, 538410, 574304, 717880, 861456, 1076820, 1148608, 1435760, 1722912, 2153640, 2297216, 2871520, 3445824, 4307280, 4594432, 5743040, 6891648, 8614560, 11486080, 13783296, 17229120, 22972160, 34458240, 68916480]

約数ペア:

[(1, 68916480), (2, 34458240), (3, 22972160), (4, 17229120), (5, 13783296), (6, 11486080), (8, 8614560), (10, 6891648), (12, 5743040), (15, 4594432), (16, 4307280), (20, 3445824), (24, 2871520), (30, 2297216), (32, 2153640), (40, 1722912), (48, 1435760), (60, 1148608), (64, 1076820), (80, 861456), (96, 717880), (120, 574304), (128, 538410), (131, 526080), (137, 503040), (160, 430728), (192, 358940), (240, 287152), (256, 269205), (262, 263040), (274, 251520), (320, 215364), (384, 179470), (393, 175360), (411, 167680), (480, 143576), (524, 131520), (548, 125760), (640, 107682), (655, 105216), (685, 100608), (768, 89735), (786, 87680), (822, 83840), (960, 71788), (1048, 65760), (1096, 62880), (1280, 53841), (1310, 52608), (1370, 50304), (1572, 43840), (1644, 41920), (1920, 35894), (1965, 35072), (2055, 33536), (2096, 32880), (2192, 31440), (2620, 26304), (2740, 25152), (3144, 21920), (3288, 20960), (3840, 17947), (3930, 17536), (4110, 16768), (4192, 16440), (4384, 15720), (5240, 13152), (5480, 12576), (6288, 10960), (6576, 10480), (7860, 8768), (8220, 8384)]