158171220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 502079760

約数和(自身を除く): 343908540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 157, 174, 180, 193, 261, 290, 314, 348, 386, 435, 471, 522, 579, 580, 628, 772, 785, 870, 942, 965, 1044, 1158, 1305, 1413, 1570, 1737, 1740, 1884, 1930, 2316, 2355, 2610, 2826, 2895, 3140, 3474, 3860, 4553, 4710, 5220, 5597, 5652, 5790, 6948, 7065, 8685, 9106, 9420, 11194, 11580, 13659, 14130, 16791, 17370, 18212, 22388, 22765, 27318, 27985, 28260, 30301, 33582, 34740, 40977, 45530, 50373, 54636, 55970, 60602, 67164, 68295, 81954, 83955, 90903, 91060, 100746, 111940, 121204, 136590, 151505, 163908, 167910, 181806, 201492, 204885, 251865, 272709, 273180, 303010, 335820, 363612, 409770, 454515, 503730, 545418, 606020, 819540, 878729, 909030, 1007460, 1090836, 1363545, 1757458, 1818060, 2636187, 2727090, 3514916, 4393645, 5272374, 5454180, 7908561, 8787290, 10544748, 13180935, 15817122, 17574580, 26361870, 31634244, 39542805, 52723740, 79085610, 158171220]

約数ペア:

[(1, 158171220), (2, 79085610), (3, 52723740), (4, 39542805), (5, 31634244), (6, 26361870), (9, 17574580), (10, 15817122), (12, 13180935), (15, 10544748), (18, 8787290), (20, 7908561), (29, 5454180), (30, 5272374), (36, 4393645), (45, 3514916), (58, 2727090), (60, 2636187), (87, 1818060), (90, 1757458), (116, 1363545), (145, 1090836), (157, 1007460), (174, 909030), (180, 878729), (193, 819540), (261, 606020), (290, 545418), (314, 503730), (348, 454515), (386, 409770), (435, 363612), (471, 335820), (522, 303010), (579, 273180), (580, 272709), (628, 251865), (772, 204885), (785, 201492), (870, 181806), (942, 167910), (965, 163908), (1044, 151505), (1158, 136590), (1305, 121204), (1413, 111940), (1570, 100746), (1737, 91060), (1740, 90903), (1884, 83955), (1930, 81954), (2316, 68295), (2355, 67164), (2610, 60602), (2826, 55970), (2895, 54636), (3140, 50373), (3474, 45530), (3860, 40977), (4553, 34740), (4710, 33582), (5220, 30301), (5597, 28260), (5652, 27985), (5790, 27318), (6948, 22765), (7065, 22388), (8685, 18212), (9106, 17370), (9420, 16791), (11194, 14130), (11580, 13659)]