30945840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128941}}^1$

素因数の和:128957

約数の個数: 40

約数和(自身を含む): 95932848

約数和(自身を除く): 64987008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128941, 257882, 386823, 515764, 644705, 773646, 1031528, 1289410, 1547292, 1934115, 2063056, 2578820, 3094584, 3868230, 5157640, 6189168, 7736460, 10315280, 15472920, 30945840]

約数ペア:

[(1, 30945840), (2, 15472920), (3, 10315280), (4, 7736460), (5, 6189168), (6, 5157640), (8, 3868230), (10, 3094584), (12, 2578820), (15, 2063056), (16, 1934115), (20, 1547292), (24, 1289410), (30, 1031528), (40, 773646), (48, 644705), (60, 515764), (80, 386823), (120, 257882), (240, 128941)]