181280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 471744

約数和(自身を除く): 290464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 103, 110, 160, 176, 206, 220, 352, 412, 440, 515, 824, 880, 1030, 1133, 1648, 1760, 2060, 2266, 3296, 4120, 4532, 5665, 8240, 9064, 11330, 16480, 18128, 22660, 36256, 45320, 90640, 181280]

約数ペア:

[(1, 181280), (2, 90640), (4, 45320), (5, 36256), (8, 22660), (10, 18128), (11, 16480), (16, 11330), (20, 9064), (22, 8240), (32, 5665), (40, 4532), (44, 4120), (55, 3296), (80, 2266), (88, 2060), (103, 1760), (110, 1648), (160, 1133), (176, 1030), (206, 880), (220, 824), (352, 515), (412, 440)]