64671320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230969}}^1$

素因数の和:230987

約数の個数: 32

約数和(自身を含む): 166298400

約数和(自身を除く): 101627080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230969, 461938, 923876, 1154845, 1616783, 1847752, 2309690, 3233566, 4619380, 6467132, 8083915, 9238760, 12934264, 16167830, 32335660, 64671320]

約数ペア:

[(1, 64671320), (2, 32335660), (4, 16167830), (5, 12934264), (7, 9238760), (8, 8083915), (10, 6467132), (14, 4619380), (20, 3233566), (28, 2309690), (35, 1847752), (40, 1616783), (56, 1154845), (70, 923876), (140, 461938), (280, 230969)]