178167920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 497587200

約数和(自身を除く): 319419280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 151, 172, 196, 215, 245, 280, 301, 302, 343, 344, 392, 430, 490, 560, 602, 604, 686, 688, 755, 784, 860, 980, 1057, 1204, 1208, 1372, 1505, 1510, 1715, 1720, 1960, 2107, 2114, 2408, 2416, 2744, 3010, 3020, 3430, 3440, 3920, 4214, 4228, 4816, 5285, 5488, 6020, 6040, 6493, 6860, 7399, 8428, 8456, 10535, 10570, 12040, 12080, 12986, 13720, 14749, 14798, 16856, 16912, 21070, 21140, 24080, 25972, 27440, 29498, 29596, 32465, 33712, 36995, 42140, 42280, 45451, 51793, 51944, 58996, 59192, 64930, 73745, 73990, 84280, 84560, 90902, 103586, 103888, 117992, 118384, 129860, 147490, 147980, 168560, 181804, 207172, 227255, 235984, 258965, 259720, 294980, 295960, 318157, 363608, 414344, 454510, 517930, 519440, 589960, 591920, 636314, 727216, 828688, 909020, 1035860, 1179920, 1272628, 1590785, 1818040, 2071720, 2227099, 2545256, 3181570, 3636080, 4143440, 4454198, 5090512, 6363140, 8908396, 11135495, 12726280, 17816792, 22270990, 25452560, 35633584, 44541980, 89083960, 178167920]

約数ペア:

[(1, 178167920), (2, 89083960), (4, 44541980), (5, 35633584), (7, 25452560), (8, 22270990), (10, 17816792), (14, 12726280), (16, 11135495), (20, 8908396), (28, 6363140), (35, 5090512), (40, 4454198), (43, 4143440), (49, 3636080), (56, 3181570), (70, 2545256), (80, 2227099), (86, 2071720), (98, 1818040), (112, 1590785), (140, 1272628), (151, 1179920), (172, 1035860), (196, 909020), (215, 828688), (245, 727216), (280, 636314), (301, 591920), (302, 589960), (343, 519440), (344, 517930), (392, 454510), (430, 414344), (490, 363608), (560, 318157), (602, 295960), (604, 294980), (686, 259720), (688, 258965), (755, 235984), (784, 227255), (860, 207172), (980, 181804), (1057, 168560), (1204, 147980), (1208, 147490), (1372, 129860), (1505, 118384), (1510, 117992), (1715, 103888), (1720, 103586), (1960, 90902), (2107, 84560), (2114, 84280), (2408, 73990), (2416, 73745), (2744, 64930), (3010, 59192), (3020, 58996), (3430, 51944), (3440, 51793), (3920, 45451), (4214, 42280), (4228, 42140), (4816, 36995), (5285, 33712), (5488, 32465), (6020, 29596), (6040, 29498), (6493, 27440), (6860, 25972), (7399, 24080), (8428, 21140), (8456, 21070), (10535, 16912), (10570, 16856), (12040, 14798), (12080, 14749), (12986, 13720)]