4778820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 14676480

約数和(自身を除く): 9897660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 191, 278, 382, 417, 556, 573, 695, 764, 834, 955, 1146, 1251, 1390, 1668, 1719, 1910, 2085, 2292, 2502, 2780, 2865, 3438, 3820, 4170, 5004, 5730, 6255, 6876, 8340, 8595, 11460, 12510, 17190, 25020, 26549, 34380, 53098, 79647, 106196, 132745, 159294, 238941, 265490, 318588, 398235, 477882, 530980, 796470, 955764, 1194705, 1592940, 2389410, 4778820]

約数ペア:

[(1, 4778820), (2, 2389410), (3, 1592940), (4, 1194705), (5, 955764), (6, 796470), (9, 530980), (10, 477882), (12, 398235), (15, 318588), (18, 265490), (20, 238941), (30, 159294), (36, 132745), (45, 106196), (60, 79647), (90, 53098), (139, 34380), (180, 26549), (191, 25020), (278, 17190), (382, 12510), (417, 11460), (556, 8595), (573, 8340), (695, 6876), (764, 6255), (834, 5730), (955, 5004), (1146, 4170), (1251, 3820), (1390, 3438), (1668, 2865), (1719, 2780), (1910, 2502), (2085, 2292)]