172260720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239251}}^1$

素因数の和:239270

約数の個数: 60

約数和(自身を含む): 578511336

約数和(自身を除く): 406250616

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, 239251, 478502, 717753, 957004, 1196255, 1435506, 1914008, 2153259, 2392510, 2871012, 3588765, 3828016, 4306518, 4785020, 5742024, 7177530, 8613036, 9570040, 10766295, 11484048, 14355060, 17226072, 19140080, 21532590, 28710120, 34452144, 43065180, 57420240, 86130360, 172260720]

約数ペア:

[(1, 172260720), (2, 86130360), (3, 57420240), (4, 43065180), (5, 34452144), (6, 28710120), (8, 21532590), (9, 19140080), (10, 17226072), (12, 14355060), (15, 11484048), (16, 10766295), (18, 9570040), (20, 8613036), (24, 7177530), (30, 5742024), (36, 4785020), (40, 4306518), (45, 3828016), (48, 3588765), (60, 2871012), (72, 2392510), (80, 2153259), (90, 1914008), (120, 1435506), (144, 1196255), (180, 957004), (240, 717753), (360, 478502), (720, 239251)]