140720820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 406425600

約数和(自身を除く): 265704780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 139, 141, 188, 235, 278, 282, 359, 417, 470, 556, 564, 695, 705, 718, 834, 940, 1077, 1390, 1410, 1436, 1668, 1795, 2085, 2154, 2780, 2820, 3590, 4170, 4308, 5385, 6533, 7180, 8340, 10770, 13066, 16873, 19599, 21540, 26132, 32665, 33746, 39198, 49901, 50619, 65330, 67492, 78396, 84365, 97995, 99802, 101238, 130660, 149703, 168730, 195990, 199604, 202476, 249505, 253095, 299406, 337460, 391980, 499010, 506190, 598812, 748515, 998020, 1012380, 1497030, 2345347, 2994060, 4690694, 7036041, 9381388, 11726735, 14072082, 23453470, 28144164, 35180205, 46906940, 70360410, 140720820]

約数ペア:

[(1, 140720820), (2, 70360410), (3, 46906940), (4, 35180205), (5, 28144164), (6, 23453470), (10, 14072082), (12, 11726735), (15, 9381388), (20, 7036041), (30, 4690694), (47, 2994060), (60, 2345347), (94, 1497030), (139, 1012380), (141, 998020), (188, 748515), (235, 598812), (278, 506190), (282, 499010), (359, 391980), (417, 337460), (470, 299406), (556, 253095), (564, 249505), (695, 202476), (705, 199604), (718, 195990), (834, 168730), (940, 149703), (1077, 130660), (1390, 101238), (1410, 99802), (1436, 97995), (1668, 84365), (1795, 78396), (2085, 67492), (2154, 65330), (2780, 50619), (2820, 49901), (3590, 39198), (4170, 33746), (4308, 32665), (5385, 26132), (6533, 21540), (7180, 19599), (8340, 16873), (10770, 13066)]