15405260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 35134176

約数和(自身を除く): 19728916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 307, 386, 614, 772, 965, 1228, 1535, 1930, 2509, 3070, 3860, 3991, 5018, 6140, 7982, 10036, 12545, 15964, 19955, 25090, 39910, 50180, 59251, 79820, 118502, 237004, 296255, 592510, 770263, 1185020, 1540526, 3081052, 3851315, 7702630, 15405260]

約数ペア:

[(1, 15405260), (2, 7702630), (4, 3851315), (5, 3081052), (10, 1540526), (13, 1185020), (20, 770263), (26, 592510), (52, 296255), (65, 237004), (130, 118502), (193, 79820), (260, 59251), (307, 50180), (386, 39910), (614, 25090), (772, 19955), (965, 15964), (1228, 12545), (1535, 10036), (1930, 7982), (2509, 6140), (3070, 5018), (3860, 3991)]