154438320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643493}}^1$

素因数の和:643509

約数の個数: 40

約数和(自身を含む): 478759536

約数和(自身を除く): 324321216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643493, 1286986, 1930479, 2573972, 3217465, 3860958, 5147944, 6434930, 7721916, 9652395, 10295888, 12869860, 15443832, 19304790, 25739720, 30887664, 38609580, 51479440, 77219160, 154438320]

約数ペア:

[(1, 154438320), (2, 77219160), (3, 51479440), (4, 38609580), (5, 30887664), (6, 25739720), (8, 19304790), (10, 15443832), (12, 12869860), (15, 10295888), (16, 9652395), (20, 7721916), (24, 6434930), (30, 5147944), (40, 3860958), (48, 3217465), (60, 2573972), (80, 1930479), (120, 1286986), (240, 643493)]