64517520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268823}}^1$

素因数の和:268839

約数の個数: 40

約数和(自身を含む): 200005056

約数和(自身を除く): 135487536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268823, 537646, 806469, 1075292, 1344115, 1612938, 2150584, 2688230, 3225876, 4032345, 4301168, 5376460, 6451752, 8064690, 10752920, 12903504, 16129380, 21505840, 32258760, 64517520]

約数ペア:

[(1, 64517520), (2, 32258760), (3, 21505840), (4, 16129380), (5, 12903504), (6, 10752920), (8, 8064690), (10, 6451752), (12, 5376460), (15, 4301168), (16, 4032345), (20, 3225876), (24, 2688230), (30, 2150584), (40, 1612938), (48, 1344115), (60, 1075292), (80, 806469), (120, 537646), (240, 268823)]