67854640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121169}}^1$

素因数の和:121189

約数の個数: 40

約数和(自身を含む): 180300960

約数和(自身を除く): 112446320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121169, 242338, 484676, 605845, 848183, 969352, 1211690, 1696366, 1938704, 2423380, 3392732, 4240915, 4846760, 6785464, 8481830, 9693520, 13570928, 16963660, 33927320, 67854640]

約数ペア:

[(1, 67854640), (2, 33927320), (4, 16963660), (5, 13570928), (7, 9693520), (8, 8481830), (10, 6785464), (14, 4846760), (16, 4240915), (20, 3392732), (28, 2423380), (35, 1938704), (40, 1696366), (56, 1211690), (70, 969352), (80, 848183), (112, 605845), (140, 484676), (280, 242338), (560, 121169)]