72891140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22637}}^1$

素因数の和:22676

約数の個数: 48

約数和(自身を含む): 182552832

約数和(自身を除く): 109661692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 22637, 45274, 90548, 113185, 158459, 226370, 316918, 452740, 520651, 633836, 792295, 1041302, 1584590, 2082604, 2603255, 3169180, 3644557, 5206510, 7289114, 10413020, 14578228, 18222785, 36445570, 72891140]

約数ペア:

[(1, 72891140), (2, 36445570), (4, 18222785), (5, 14578228), (7, 10413020), (10, 7289114), (14, 5206510), (20, 3644557), (23, 3169180), (28, 2603255), (35, 2082604), (46, 1584590), (70, 1041302), (92, 792295), (115, 633836), (140, 520651), (161, 452740), (230, 316918), (322, 226370), (460, 158459), (644, 113185), (805, 90548), (1610, 45274), (3220, 22637)]