74279920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 208986624

約数和(自身を除く): 134706704

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 43, 44, 52, 55, 65, 80, 86, 88, 104, 110, 130, 143, 151, 172, 176, 208, 215, 220, 260, 286, 302, 344, 430, 440, 473, 520, 559, 572, 604, 688, 715, 755, 860, 880, 946, 1040, 1118, 1144, 1208, 1430, 1510, 1661, 1720, 1892, 1963, 2236, 2288, 2365, 2416, 2795, 2860, 3020, 3322, 3440, 3784, 3926, 4472, 4730, 5590, 5720, 6040, 6149, 6493, 6644, 7568, 7852, 8305, 8944, 9460, 9815, 11180, 11440, 12080, 12298, 12986, 13288, 15704, 16610, 18920, 19630, 21593, 22360, 24596, 25972, 26576, 30745, 31408, 32465, 33220, 37840, 39260, 43186, 44720, 49192, 51944, 61490, 64930, 66440, 71423, 78520, 84409, 86372, 98384, 103888, 107965, 122980, 129860, 132880, 142846, 157040, 168818, 172744, 215930, 245960, 259720, 285692, 337636, 345488, 357115, 422045, 431860, 491920, 519440, 571384, 675272, 714230, 844090, 863720, 928499, 1142768, 1350544, 1428460, 1688180, 1727440, 1856998, 2856920, 3376360, 3713996, 4642495, 5713840, 6752720, 7427992, 9284990, 14855984, 18569980, 37139960, 74279920]

約数ペア:

[(1, 74279920), (2, 37139960), (4, 18569980), (5, 14855984), (8, 9284990), (10, 7427992), (11, 6752720), (13, 5713840), (16, 4642495), (20, 3713996), (22, 3376360), (26, 2856920), (40, 1856998), (43, 1727440), (44, 1688180), (52, 1428460), (55, 1350544), (65, 1142768), (80, 928499), (86, 863720), (88, 844090), (104, 714230), (110, 675272), (130, 571384), (143, 519440), (151, 491920), (172, 431860), (176, 422045), (208, 357115), (215, 345488), (220, 337636), (260, 285692), (286, 259720), (302, 245960), (344, 215930), (430, 172744), (440, 168818), (473, 157040), (520, 142846), (559, 132880), (572, 129860), (604, 122980), (688, 107965), (715, 103888), (755, 98384), (860, 86372), (880, 84409), (946, 78520), (1040, 71423), (1118, 66440), (1144, 64930), (1208, 61490), (1430, 51944), (1510, 49192), (1661, 44720), (1720, 43186), (1892, 39260), (1963, 37840), (2236, 33220), (2288, 32465), (2365, 31408), (2416, 30745), (2795, 26576), (2860, 25972), (3020, 24596), (3322, 22360), (3440, 21593), (3784, 19630), (3926, 18920), (4472, 16610), (4730, 15704), (5590, 13288), (5720, 12986), (6040, 12298), (6149, 12080), (6493, 11440), (6644, 11180), (7568, 9815), (7852, 9460), (8305, 8944)]