278533920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4363}}^1$

素因数の和:4407

約数の個数: 192

約数和(自身を含む): 1055738880

約数和(自身を除く): 777204960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2660, 3040, 3192, 3360, 3990, 4256, 4363, 4560, 5320, 6384, 7980, 8726, 9120, 10640, 12768, 13089, 15960, 17452, 21280, 21815, 26178, 30541, 31920, 34904, 43630, 52356, 61082, 63840, 65445, 69808, 82897, 87260, 91623, 104712, 122164, 130890, 139616, 152705, 165794, 174520, 183246, 209424, 244328, 248691, 261780, 305410, 331588, 349040, 366492, 414485, 418848, 458115, 488656, 497382, 523560, 580279, 610820, 663176, 698080, 732984, 828970, 916230, 977312, 994764, 1047120, 1160558, 1221640, 1243455, 1326352, 1465968, 1657940, 1740837, 1832460, 1989528, 2094240, 2321116, 2443280, 2486910, 2652704, 2901395, 2931936, 3315880, 3481674, 3664920, 3979056, 4642232, 4886560, 4973820, 5802790, 6631760, 6963348, 7329840, 7958112, 8704185, 9284464, 9947640, 11605580, 13263520, 13926696, 14659680, 17408370, 18568928, 19895280, 23211160, 27853392, 34816740, 39790560, 46422320, 55706784, 69633480, 92844640, 139266960, 278533920]

約数ペア:

[(1, 278533920), (2, 139266960), (3, 92844640), (4, 69633480), (5, 55706784), (6, 46422320), (7, 39790560), (8, 34816740), (10, 27853392), (12, 23211160), (14, 19895280), (15, 18568928), (16, 17408370), (19, 14659680), (20, 13926696), (21, 13263520), (24, 11605580), (28, 9947640), (30, 9284464), (32, 8704185), (35, 7958112), (38, 7329840), (40, 6963348), (42, 6631760), (48, 5802790), (56, 4973820), (57, 4886560), (60, 4642232), (70, 3979056), (76, 3664920), (80, 3481674), (84, 3315880), (95, 2931936), (96, 2901395), (105, 2652704), (112, 2486910), (114, 2443280), (120, 2321116), (133, 2094240), (140, 1989528), (152, 1832460), (160, 1740837), (168, 1657940), (190, 1465968), (210, 1326352), (224, 1243455), (228, 1221640), (240, 1160558), (266, 1047120), (280, 994764), (285, 977312), (304, 916230), (336, 828970), (380, 732984), (399, 698080), (420, 663176), (456, 610820), (480, 580279), (532, 523560), (560, 497382), (570, 488656), (608, 458115), (665, 418848), (672, 414485), (760, 366492), (798, 349040), (840, 331588), (912, 305410), (1064, 261780), (1120, 248691), (1140, 244328), (1330, 209424), (1520, 183246), (1596, 174520), (1680, 165794), (1824, 152705), (1995, 139616), (2128, 130890), (2280, 122164), (2660, 104712), (3040, 91623), (3192, 87260), (3360, 82897), (3990, 69808), (4256, 65445), (4363, 63840), (4560, 61082), (5320, 52356), (6384, 43630), (7980, 34904), (8726, 31920), (9120, 30541), (10640, 26178), (12768, 21815), (13089, 21280), (15960, 17452)]