30115855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 19650545

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 115, 133, 161, 179, 209, 253, 385, 437, 665, 805, 895, 1045, 1253, 1265, 1463, 1771, 1969, 2185, 3059, 3401, 4117, 4807, 6265, 7315, 8855, 9845, 13783, 15295, 17005, 20585, 23807, 24035, 28819, 33649, 37411, 45287, 68915, 78223, 119035, 144095, 168245, 187055, 226435, 261877, 317009, 391115, 547561, 860453, 1309385, 1585045, 2737805, 4302265, 6023171, 30115855]

約数ペア:

[(1, 30115855), (5, 6023171), (7, 4302265), (11, 2737805), (19, 1585045), (23, 1309385), (35, 860453), (55, 547561), (77, 391115), (95, 317009), (115, 261877), (133, 226435), (161, 187055), (179, 168245), (209, 144095), (253, 119035), (385, 78223), (437, 68915), (665, 45287), (805, 37411), (895, 33649), (1045, 28819), (1253, 24035), (1265, 23807), (1463, 20585), (1771, 17005), (1969, 15295), (2185, 13783), (3059, 9845), (3401, 8855), (4117, 7315), (4807, 6265)]