172043280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{238949}}^1$

素因数の和:238968

約数の個数: 60

約数和(自身を含む): 577781100

約数和(自身を除く): 405737820

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, 238949, 477898, 716847, 955796, 1194745, 1433694, 1911592, 2150541, 2389490, 2867388, 3584235, 3823184, 4301082, 4778980, 5734776, 7168470, 8602164, 9557960, 10752705, 11469552, 14336940, 17204328, 19115920, 21505410, 28673880, 34408656, 43010820, 57347760, 86021640, 172043280]

約数ペア:

[(1, 172043280), (2, 86021640), (3, 57347760), (4, 43010820), (5, 34408656), (6, 28673880), (8, 21505410), (9, 19115920), (10, 17204328), (12, 14336940), (15, 11469552), (16, 10752705), (18, 9557960), (20, 8602164), (24, 7168470), (30, 5734776), (36, 4778980), (40, 4301082), (45, 3823184), (48, 3584235), (60, 2867388), (72, 2389490), (80, 2150541), (90, 1911592), (120, 1433694), (144, 1194745), (180, 955796), (240, 716847), (360, 477898), (720, 238949)]