161526640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1061}}^1$

素因数の和:1258

約数の個数: 80

約数和(自身を含む): 412446816

約数和(自身を除く): 250920176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 692, 865, 880, 1061, 1384, 1730, 1903, 2122, 2768, 3460, 3806, 4244, 5305, 6920, 7612, 8488, 9515, 10610, 11671, 13840, 15224, 16976, 19030, 21220, 23342, 30448, 38060, 42440, 46684, 58355, 76120, 84880, 93368, 116710, 152240, 183553, 186736, 233420, 367106, 466840, 734212, 917765, 933680, 1468424, 1835530, 2019083, 2936848, 3671060, 4038166, 7342120, 8076332, 10095415, 14684240, 16152664, 20190830, 32305328, 40381660, 80763320, 161526640]

約数ペア:

[(1, 161526640), (2, 80763320), (4, 40381660), (5, 32305328), (8, 20190830), (10, 16152664), (11, 14684240), (16, 10095415), (20, 8076332), (22, 7342120), (40, 4038166), (44, 3671060), (55, 2936848), (80, 2019083), (88, 1835530), (110, 1468424), (173, 933680), (176, 917765), (220, 734212), (346, 466840), (440, 367106), (692, 233420), (865, 186736), (880, 183553), (1061, 152240), (1384, 116710), (1730, 93368), (1903, 84880), (2122, 76120), (2768, 58355), (3460, 46684), (3806, 42440), (4244, 38060), (5305, 30448), (6920, 23342), (7612, 21220), (8488, 19030), (9515, 16976), (10610, 15224), (11671, 13840)]