16978320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23581}}^1$

素因数の和:23600

約数の個数: 60

約数和(自身を含む): 57021276

約数和(自身を除く): 40042956

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 23581, 47162, 70743, 94324, 117905, 141486, 188648, 212229, 235810, 282972, 353715, 377296, 424458, 471620, 565944, 707430, 848916, 943240, 1061145, 1131888, 1414860, 1697832, 1886480, 2122290, 2829720, 3395664, 4244580, 5659440, 8489160, 16978320]

約数ペア:

[(1, 16978320), (2, 8489160), (3, 5659440), (4, 4244580), (5, 3395664), (6, 2829720), (8, 2122290), (9, 1886480), (10, 1697832), (12, 1414860), (15, 1131888), (16, 1061145), (18, 943240), (20, 848916), (24, 707430), (30, 565944), (36, 471620), (40, 424458), (45, 377296), (48, 353715), (60, 282972), (72, 235810), (80, 212229), (90, 188648), (120, 141486), (144, 117905), (180, 94324), (240, 70743), (360, 47162), (720, 23581)]