28078140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10883}}^1$

素因数の和:10938

約数の個数: 48

約数和(自身を含む): 80454528

約数和(自身を除く): 52376388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 10883, 21766, 32649, 43532, 54415, 65298, 108830, 130596, 163245, 217660, 326490, 467969, 652980, 935938, 1403907, 1871876, 2339845, 2807814, 4679690, 5615628, 7019535, 9359380, 14039070, 28078140]

約数ペア:

[(1, 28078140), (2, 14039070), (3, 9359380), (4, 7019535), (5, 5615628), (6, 4679690), (10, 2807814), (12, 2339845), (15, 1871876), (20, 1403907), (30, 935938), (43, 652980), (60, 467969), (86, 326490), (129, 217660), (172, 163245), (215, 130596), (258, 108830), (430, 65298), (516, 54415), (645, 43532), (860, 32649), (1290, 21766), (2580, 10883)]