163976680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2161}}^1$

素因数の和:2450

約数の個数: 64

約数和(自身を含む): 423406080

約数和(自身を除く): 259429400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1355, 1897, 2161, 2168, 2710, 3794, 4322, 5420, 7588, 8644, 9485, 10805, 10840, 15127, 15176, 17288, 18970, 21610, 30254, 37940, 43220, 60508, 75635, 75880, 86440, 121016, 151270, 302540, 585631, 605080, 1171262, 2342524, 2928155, 4099417, 4685048, 5856310, 8198834, 11712620, 16397668, 20497085, 23425240, 32795336, 40994170, 81988340, 163976680]

約数ペア:

[(1, 163976680), (2, 81988340), (4, 40994170), (5, 32795336), (7, 23425240), (8, 20497085), (10, 16397668), (14, 11712620), (20, 8198834), (28, 5856310), (35, 4685048), (40, 4099417), (56, 2928155), (70, 2342524), (140, 1171262), (271, 605080), (280, 585631), (542, 302540), (1084, 151270), (1355, 121016), (1897, 86440), (2161, 75880), (2168, 75635), (2710, 60508), (3794, 43220), (4322, 37940), (5420, 30254), (7588, 21610), (8644, 18970), (9485, 17288), (10805, 15176), (10840, 15127)]