72346720

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3253}}^1$

素因数の和:3407

約数の個数: 48

約数和(自身を含む): 172201680

約数和(自身を除く): 99854960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3253, 4448, 5560, 6506, 11120, 13012, 16265, 22240, 26024, 32530, 52048, 65060, 104096, 130120, 260240, 452167, 520480, 904334, 1808668, 2260835, 3617336, 4521670, 7234672, 9043340, 14469344, 18086680, 36173360, 72346720]

約数ペア:

[(1, 72346720), (2, 36173360), (4, 18086680), (5, 14469344), (8, 9043340), (10, 7234672), (16, 4521670), (20, 3617336), (32, 2260835), (40, 1808668), (80, 904334), (139, 520480), (160, 452167), (278, 260240), (556, 130120), (695, 104096), (1112, 65060), (1390, 52048), (2224, 32530), (2780, 26024), (3253, 22240), (4448, 16265), (5560, 13012), (6506, 11120)]