30840225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 56163072

約数和(自身を除く): 25322847

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 673, 705, 975, 1175, 1833, 2019, 3055, 3365, 3525, 8749, 9165, 10095, 15275, 16825, 26247, 31631, 43745, 45825, 50475, 94893, 131235, 158155, 218725, 411203, 474465, 656175, 790775, 1233609, 2056015, 2372325, 6168045, 10280075, 30840225]

約数ペア:

[(1, 30840225), (3, 10280075), (5, 6168045), (13, 2372325), (15, 2056015), (25, 1233609), (39, 790775), (47, 656175), (65, 474465), (75, 411203), (141, 218725), (195, 158155), (235, 131235), (325, 94893), (611, 50475), (673, 45825), (705, 43745), (975, 31631), (1175, 26247), (1833, 16825), (2019, 15275), (3055, 10095), (3365, 9165), (3525, 8749)]