818199780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{125107}}^1$

素因数の和:125228

約数の個数: 48

約数和(自身を含む): 2311995840

約数和(自身を除く): 1493796060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540, 125107, 250214, 375321, 500428, 625535, 750642, 1251070, 1501284, 1876605, 2502140, 3753210, 7506420, 13636663, 27273326, 40909989, 54546652, 68183315, 81819978, 136366630, 163639956, 204549945, 272733260, 409099890, 818199780]

約数ペア:

[(1, 818199780), (2, 409099890), (3, 272733260), (4, 204549945), (5, 163639956), (6, 136366630), (10, 81819978), (12, 68183315), (15, 54546652), (20, 40909989), (30, 27273326), (60, 13636663), (109, 7506420), (218, 3753210), (327, 2502140), (436, 1876605), (545, 1501284), (654, 1251070), (1090, 750642), (1308, 625535), (1635, 500428), (2180, 375321), (3270, 250214), (6540, 125107)]