309830080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1062

約数の個数: 112

約数和(自身を含む): 849514176

約数和(自身を除く): 539684096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 157, 160, 224, 280, 314, 320, 448, 560, 628, 785, 881, 1099, 1120, 1256, 1570, 1762, 2198, 2240, 2512, 3140, 3524, 4396, 4405, 5024, 5495, 6167, 6280, 7048, 8792, 8810, 10048, 10990, 12334, 12560, 14096, 17584, 17620, 21980, 24668, 25120, 28192, 30835, 35168, 35240, 43960, 49336, 50240, 56384, 61670, 70336, 70480, 87920, 98672, 123340, 138317, 140960, 175840, 197344, 246680, 276634, 281920, 351680, 394688, 493360, 553268, 691585, 968219, 986720, 1106536, 1383170, 1936438, 1973440, 2213072, 2766340, 3872876, 4426144, 4841095, 5532680, 7745752, 8852288, 9682190, 11065360, 15491504, 19364380, 22130720, 30983008, 38728760, 44261440, 61966016, 77457520, 154915040, 309830080]

約数ペア:

[(1, 309830080), (2, 154915040), (4, 77457520), (5, 61966016), (7, 44261440), (8, 38728760), (10, 30983008), (14, 22130720), (16, 19364380), (20, 15491504), (28, 11065360), (32, 9682190), (35, 8852288), (40, 7745752), (56, 5532680), (64, 4841095), (70, 4426144), (80, 3872876), (112, 2766340), (140, 2213072), (157, 1973440), (160, 1936438), (224, 1383170), (280, 1106536), (314, 986720), (320, 968219), (448, 691585), (560, 553268), (628, 493360), (785, 394688), (881, 351680), (1099, 281920), (1120, 276634), (1256, 246680), (1570, 197344), (1762, 175840), (2198, 140960), (2240, 138317), (2512, 123340), (3140, 98672), (3524, 87920), (4396, 70480), (4405, 70336), (5024, 61670), (5495, 56384), (6167, 50240), (6280, 49336), (7048, 43960), (8792, 35240), (8810, 35168), (10048, 30835), (10990, 28192), (12334, 25120), (12560, 24668), (14096, 21980), (17584, 17620)]