64759720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1714

約数の個数: 64

約数和(自身を含む): 155675520

約数和(自身を除く): 90915800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1637, 1720, 1978, 3274, 3956, 4945, 6548, 7912, 8185, 9890, 13096, 16370, 19780, 32740, 37651, 39560, 65480, 70391, 75302, 140782, 150604, 188255, 281564, 301208, 351955, 376510, 563128, 703910, 753020, 1407820, 1506040, 1618993, 2815640, 3237986, 6475972, 8094965, 12951944, 16189930, 32379860, 64759720]

約数ペア:

[(1, 64759720), (2, 32379860), (4, 16189930), (5, 12951944), (8, 8094965), (10, 6475972), (20, 3237986), (23, 2815640), (40, 1618993), (43, 1506040), (46, 1407820), (86, 753020), (92, 703910), (115, 563128), (172, 376510), (184, 351955), (215, 301208), (230, 281564), (344, 188255), (430, 150604), (460, 140782), (860, 75302), (920, 70391), (989, 65480), (1637, 39560), (1720, 37651), (1978, 32740), (3274, 19780), (3956, 16370), (4945, 13096), (6548, 9890), (7912, 8185)]