248743680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 800790144

約数和(自身を除く): 552046464

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, 192, 211, 240, 256, 307, 320, 384, 422, 480, 614, 633, 640, 768, 844, 921, 960, 1055, 1228, 1266, 1280, 1535, 1688, 1842, 1920, 2110, 2456, 2532, 3070, 3165, 3376, 3684, 3840, 4220, 4605, 4912, 5064, 6140, 6330, 6752, 7368, 8440, 9210, 9824, 10128, 12280, 12660, 13504, 14736, 16880, 18420, 19648, 20256, 24560, 25320, 27008, 29472, 33760, 36840, 39296, 40512, 49120, 50640, 54016, 58944, 64777, 67520, 73680, 78592, 81024, 98240, 101280, 117888, 129554, 135040, 147360, 162048, 194331, 196480, 202560, 235776, 259108, 270080, 294720, 323885, 388662, 392960, 405120, 518216, 589440, 647770, 777324, 810240, 971655, 1036432, 1178880, 1295540, 1554648, 1943310, 2072864, 2591080, 3109296, 3886620, 4145728, 5182160, 6218592, 7773240, 8291456, 10364320, 12437184, 15546480, 16582912, 20728640, 24874368, 31092960, 41457280, 49748736, 62185920, 82914560, 124371840, 248743680]

約数ペア:

[(1, 248743680), (2, 124371840), (3, 82914560), (4, 62185920), (5, 49748736), (6, 41457280), (8, 31092960), (10, 24874368), (12, 20728640), (15, 16582912), (16, 15546480), (20, 12437184), (24, 10364320), (30, 8291456), (32, 7773240), (40, 6218592), (48, 5182160), (60, 4145728), (64, 3886620), (80, 3109296), (96, 2591080), (120, 2072864), (128, 1943310), (160, 1554648), (192, 1295540), (211, 1178880), (240, 1036432), (256, 971655), (307, 810240), (320, 777324), (384, 647770), (422, 589440), (480, 518216), (614, 405120), (633, 392960), (640, 388662), (768, 323885), (844, 294720), (921, 270080), (960, 259108), (1055, 235776), (1228, 202560), (1266, 196480), (1280, 194331), (1535, 162048), (1688, 147360), (1842, 135040), (1920, 129554), (2110, 117888), (2456, 101280), (2532, 98240), (3070, 81024), (3165, 78592), (3376, 73680), (3684, 67520), (3840, 64777), (4220, 58944), (4605, 54016), (4912, 50640), (5064, 49120), (6140, 40512), (6330, 39296), (6752, 36840), (7368, 33760), (8440, 29472), (9210, 27008), (9824, 25320), (10128, 24560), (12280, 20256), (12660, 19648), (13504, 18420), (14736, 16880)]