1559788720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^2$

素因数の和:447

約数の個数: 120

約数和(自身を含む): 4208061024

約数和(自身を除く): 2648272304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 157, 226, 280, 314, 452, 560, 565, 628, 785, 791, 904, 1099, 1130, 1256, 1570, 1582, 1808, 2198, 2260, 2512, 3140, 3164, 3955, 4396, 4520, 5495, 6280, 6328, 7910, 8792, 9040, 10990, 12560, 12656, 15820, 17584, 17741, 21980, 24649, 31640, 35482, 43960, 49298, 63280, 70964, 87920, 88705, 98596, 123245, 124187, 141928, 172543, 177410, 197192, 246490, 248374, 283856, 345086, 354820, 394384, 492980, 496748, 620935, 690172, 709640, 862715, 985960, 993496, 1241870, 1380344, 1419280, 1725430, 1971920, 1986992, 2483740, 2760688, 2785337, 3450860, 4967480, 5570674, 6901720, 9934960, 11141348, 13803440, 13926685, 19497359, 22282696, 27853370, 38994718, 44565392, 55706740, 77989436, 97486795, 111413480, 155978872, 194973590, 222826960, 311957744, 389947180, 779894360, 1559788720]

約数ペア:

[(1, 1559788720), (2, 779894360), (4, 389947180), (5, 311957744), (7, 222826960), (8, 194973590), (10, 155978872), (14, 111413480), (16, 97486795), (20, 77989436), (28, 55706740), (35, 44565392), (40, 38994718), (56, 27853370), (70, 22282696), (80, 19497359), (112, 13926685), (113, 13803440), (140, 11141348), (157, 9934960), (226, 6901720), (280, 5570674), (314, 4967480), (452, 3450860), (560, 2785337), (565, 2760688), (628, 2483740), (785, 1986992), (791, 1971920), (904, 1725430), (1099, 1419280), (1130, 1380344), (1256, 1241870), (1570, 993496), (1582, 985960), (1808, 862715), (2198, 709640), (2260, 690172), (2512, 620935), (3140, 496748), (3164, 492980), (3955, 394384), (4396, 354820), (4520, 345086), (5495, 283856), (6280, 248374), (6328, 246490), (7910, 197192), (8792, 177410), (9040, 172543), (10990, 141928), (12560, 124187), (12656, 123245), (15820, 98596), (17584, 88705), (17741, 87920), (21980, 70964), (24649, 63280), (31640, 49298), (35482, 43960)]