30487765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 48109824

約数和(自身を除く): 17622059

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 121, 161, 253, 313, 385, 605, 805, 847, 1265, 1565, 1771, 2191, 2783, 3443, 4235, 7199, 8855, 10955, 13915, 17215, 19481, 24101, 35995, 37873, 50393, 79189, 97405, 120505, 189365, 251965, 265111, 395945, 554323, 871079, 1325555, 2771615, 4355395, 6097553, 30487765]

約数ペア:

[(1, 30487765), (5, 6097553), (7, 4355395), (11, 2771615), (23, 1325555), (35, 871079), (55, 554323), (77, 395945), (115, 265111), (121, 251965), (161, 189365), (253, 120505), (313, 97405), (385, 79189), (605, 50393), (805, 37873), (847, 35995), (1265, 24101), (1565, 19481), (1771, 17215), (2191, 13915), (2783, 10955), (3443, 8855), (4235, 7199)]