7885980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 24150672

約数和(自身を除く): 16264692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 227, 386, 454, 579, 681, 772, 908, 965, 1135, 1158, 1362, 1737, 1930, 2043, 2270, 2316, 2724, 2895, 3405, 3474, 3860, 4086, 4540, 5790, 6810, 6948, 8172, 8685, 10215, 11580, 13620, 17370, 20430, 34740, 40860, 43811, 87622, 131433, 175244, 219055, 262866, 394299, 438110, 525732, 657165, 788598, 876220, 1314330, 1577196, 1971495, 2628660, 3942990, 7885980]

約数ペア:

[(1, 7885980), (2, 3942990), (3, 2628660), (4, 1971495), (5, 1577196), (6, 1314330), (9, 876220), (10, 788598), (12, 657165), (15, 525732), (18, 438110), (20, 394299), (30, 262866), (36, 219055), (45, 175244), (60, 131433), (90, 87622), (180, 43811), (193, 40860), (227, 34740), (386, 20430), (454, 17370), (579, 13620), (681, 11580), (772, 10215), (908, 8685), (965, 8172), (1135, 6948), (1158, 6810), (1362, 5790), (1737, 4540), (1930, 4086), (2043, 3860), (2270, 3474), (2316, 3405), (2724, 2895)]