64261020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^2$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 191277072

約数和(自身を除く): 127016052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 251, 255, 340, 502, 510, 753, 1004, 1020, 1255, 1506, 2510, 3012, 3765, 4267, 5020, 7530, 8534, 12801, 15060, 17068, 21335, 25602, 42670, 51204, 63001, 64005, 85340, 126002, 128010, 189003, 252004, 256020, 315005, 378006, 630010, 756012, 945015, 1071017, 1260020, 1890030, 2142034, 3213051, 3780060, 4284068, 5355085, 6426102, 10710170, 12852204, 16065255, 21420340, 32130510, 64261020]

約数ペア:

[(1, 64261020), (2, 32130510), (3, 21420340), (4, 16065255), (5, 12852204), (6, 10710170), (10, 6426102), (12, 5355085), (15, 4284068), (17, 3780060), (20, 3213051), (30, 2142034), (34, 1890030), (51, 1260020), (60, 1071017), (68, 945015), (85, 756012), (102, 630010), (170, 378006), (204, 315005), (251, 256020), (255, 252004), (340, 189003), (502, 128010), (510, 126002), (753, 85340), (1004, 64005), (1020, 63001), (1255, 51204), (1506, 42670), (2510, 25602), (3012, 21335), (3765, 17068), (4267, 15060), (5020, 12801), (7530, 8534)]