28856280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1259}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 58234920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1259, 1528, 1910, 2292, 2518, 2865, 3777, 3820, 4584, 5036, 5730, 6295, 7554, 7640, 10072, 11460, 12590, 15108, 18885, 22920, 25180, 30216, 37770, 50360, 75540, 151080, 240469, 480938, 721407, 961876, 1202345, 1442814, 1923752, 2404690, 2885628, 3607035, 4809380, 5771256, 7214070, 9618760, 14428140, 28856280]

約数ペア:

[(1, 28856280), (2, 14428140), (3, 9618760), (4, 7214070), (5, 5771256), (6, 4809380), (8, 3607035), (10, 2885628), (12, 2404690), (15, 1923752), (20, 1442814), (24, 1202345), (30, 961876), (40, 721407), (60, 480938), (120, 240469), (191, 151080), (382, 75540), (573, 50360), (764, 37770), (955, 30216), (1146, 25180), (1259, 22920), (1528, 18885), (1910, 15108), (2292, 12590), (2518, 11460), (2865, 10072), (3777, 7640), (3820, 7554), (4584, 6295), (5036, 5730)]