105121720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1576

約数の個数: 64

約数和(自身を含む): 259705440

約数和(自身を除く): 154583720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 440, 692, 865, 1381, 1384, 1730, 1903, 2762, 3460, 3806, 5524, 6905, 6920, 7612, 9515, 11048, 13810, 15191, 15224, 19030, 27620, 30382, 38060, 55240, 60764, 75955, 76120, 121528, 151910, 238913, 303820, 477826, 607640, 955652, 1194565, 1911304, 2389130, 2628043, 4778260, 5256086, 9556520, 10512172, 13140215, 21024344, 26280430, 52560860, 105121720]

約数ペア:

[(1, 105121720), (2, 52560860), (4, 26280430), (5, 21024344), (8, 13140215), (10, 10512172), (11, 9556520), (20, 5256086), (22, 4778260), (40, 2628043), (44, 2389130), (55, 1911304), (88, 1194565), (110, 955652), (173, 607640), (220, 477826), (346, 303820), (440, 238913), (692, 151910), (865, 121528), (1381, 76120), (1384, 75955), (1730, 60764), (1903, 55240), (2762, 38060), (3460, 30382), (3806, 27620), (5524, 19030), (6905, 15224), (6920, 15191), (7612, 13810), (9515, 11048)]