28178820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{52183}}^1$

素因数の和:52201

約数の個数: 48

約数和(自身を含む): 87669120

約数和(自身を除く): 59490300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 52183, 104366, 156549, 208732, 260915, 313098, 469647, 521830, 626196, 782745, 939294, 1043660, 1408941, 1565490, 1878588, 2348235, 2817882, 3130980, 4696470, 5635764, 7044705, 9392940, 14089410, 28178820]

約数ペア:

[(1, 28178820), (2, 14089410), (3, 9392940), (4, 7044705), (5, 5635764), (6, 4696470), (9, 3130980), (10, 2817882), (12, 2348235), (15, 1878588), (18, 1565490), (20, 1408941), (27, 1043660), (30, 939294), (36, 782745), (45, 626196), (54, 521830), (60, 469647), (90, 313098), (108, 260915), (135, 208732), (180, 156549), (270, 104366), (540, 52183)]