1180660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 2822400

約数和(自身を除く): 1641740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 239, 247, 260, 380, 478, 494, 956, 988, 1195, 1235, 2390, 2470, 3107, 4541, 4780, 4940, 6214, 9082, 12428, 15535, 18164, 22705, 31070, 45410, 59033, 62140, 90820, 118066, 236132, 295165, 590330, 1180660]

約数ペア:

[(1, 1180660), (2, 590330), (4, 295165), (5, 236132), (10, 118066), (13, 90820), (19, 62140), (20, 59033), (26, 45410), (38, 31070), (52, 22705), (65, 18164), (76, 15535), (95, 12428), (130, 9082), (190, 6214), (239, 4940), (247, 4780), (260, 4541), (380, 3107), (478, 2470), (494, 2390), (956, 1235), (988, 1195)]