278855680

素因数分解:

$2^{16}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 136

約数和(自身を含む): 717220512

約数和(自身を除く): 438364832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 128, 148, 160, 184, 185, 230, 256, 296, 320, 368, 370, 460, 512, 592, 640, 736, 740, 851, 920, 1024, 1184, 1280, 1472, 1480, 1702, 1840, 2048, 2368, 2560, 2944, 2960, 3404, 3680, 4096, 4255, 4736, 5120, 5888, 5920, 6808, 7360, 8192, 8510, 9472, 10240, 11776, 11840, 13616, 14720, 16384, 17020, 18944, 20480, 23552, 23680, 27232, 29440, 32768, 34040, 37888, 40960, 47104, 47360, 54464, 58880, 65536, 68080, 75776, 81920, 94208, 94720, 108928, 117760, 136160, 151552, 163840, 188416, 189440, 217856, 235520, 272320, 303104, 327680, 376832, 378880, 435712, 471040, 544640, 606208, 753664, 757760, 871424, 942080, 1089280, 1212416, 1507328, 1515520, 1742848, 1884160, 2178560, 2424832, 3031040, 3485696, 3768320, 4357120, 6062080, 6971392, 7536640, 8714240, 12124160, 13942784, 17428480, 27885568, 34856960, 55771136, 69713920, 139427840, 278855680]

約数ペア:

[(1, 278855680), (2, 139427840), (4, 69713920), (5, 55771136), (8, 34856960), (10, 27885568), (16, 17428480), (20, 13942784), (23, 12124160), (32, 8714240), (37, 7536640), (40, 6971392), (46, 6062080), (64, 4357120), (74, 3768320), (80, 3485696), (92, 3031040), (115, 2424832), (128, 2178560), (148, 1884160), (160, 1742848), (184, 1515520), (185, 1507328), (230, 1212416), (256, 1089280), (296, 942080), (320, 871424), (368, 757760), (370, 753664), (460, 606208), (512, 544640), (592, 471040), (640, 435712), (736, 378880), (740, 376832), (851, 327680), (920, 303104), (1024, 272320), (1184, 235520), (1280, 217856), (1472, 189440), (1480, 188416), (1702, 163840), (1840, 151552), (2048, 136160), (2368, 117760), (2560, 108928), (2944, 94720), (2960, 94208), (3404, 81920), (3680, 75776), (4096, 68080), (4255, 65536), (4736, 58880), (5120, 54464), (5888, 47360), (5920, 47104), (6808, 40960), (7360, 37888), (8192, 34040), (8510, 32768), (9472, 29440), (10240, 27232), (11776, 23680), (11840, 23552), (13616, 20480), (14720, 18944), (16384, 17020)]