2145840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8941}}^1$

素因数の和:8957

約数の個数: 40

約数和(自身を含む): 6652848

約数和(自身を除く): 4507008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8941, 17882, 26823, 35764, 44705, 53646, 71528, 89410, 107292, 134115, 143056, 178820, 214584, 268230, 357640, 429168, 536460, 715280, 1072920, 2145840]

約数ペア:

[(1, 2145840), (2, 1072920), (3, 715280), (4, 536460), (5, 429168), (6, 357640), (8, 268230), (10, 214584), (12, 178820), (15, 143056), (16, 134115), (20, 107292), (24, 89410), (30, 71528), (40, 53646), (48, 44705), (60, 35764), (80, 26823), (120, 17882), (240, 8941)]