28730820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4649}}^1$

素因数の和:4764

約数の個数: 48

約数和(自身を含む): 81244800

約数和(自身を除く): 52513980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 4649, 6180, 9298, 13947, 18596, 23245, 27894, 46490, 55788, 69735, 92980, 139470, 278940, 478847, 957694, 1436541, 1915388, 2394235, 2873082, 4788470, 5746164, 7182705, 9576940, 14365410, 28730820]

約数ペア:

[(1, 28730820), (2, 14365410), (3, 9576940), (4, 7182705), (5, 5746164), (6, 4788470), (10, 2873082), (12, 2394235), (15, 1915388), (20, 1436541), (30, 957694), (60, 478847), (103, 278940), (206, 139470), (309, 92980), (412, 69735), (515, 55788), (618, 46490), (1030, 27894), (1236, 23245), (1545, 18596), (2060, 13947), (3090, 9298), (4649, 6180)]