28062180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 88126080

約数和(自身を除く): 60063900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 157, 180, 270, 314, 331, 471, 540, 628, 662, 785, 942, 993, 1324, 1413, 1570, 1655, 1884, 1986, 2355, 2826, 2979, 3140, 3310, 3972, 4239, 4710, 4965, 5652, 5958, 6620, 7065, 8478, 8937, 9420, 9930, 11916, 14130, 14895, 16956, 17874, 19860, 21195, 28260, 29790, 35748, 42390, 44685, 51967, 59580, 84780, 89370, 103934, 155901, 178740, 207868, 259835, 311802, 467703, 519670, 623604, 779505, 935406, 1039340, 1403109, 1559010, 1870812, 2338515, 2806218, 3118020, 4677030, 5612436, 7015545, 9354060, 14031090, 28062180]

約数ペア:

[(1, 28062180), (2, 14031090), (3, 9354060), (4, 7015545), (5, 5612436), (6, 4677030), (9, 3118020), (10, 2806218), (12, 2338515), (15, 1870812), (18, 1559010), (20, 1403109), (27, 1039340), (30, 935406), (36, 779505), (45, 623604), (54, 519670), (60, 467703), (90, 311802), (108, 259835), (135, 207868), (157, 178740), (180, 155901), (270, 103934), (314, 89370), (331, 84780), (471, 59580), (540, 51967), (628, 44685), (662, 42390), (785, 35748), (942, 29790), (993, 28260), (1324, 21195), (1413, 19860), (1570, 17874), (1655, 16956), (1884, 14895), (1986, 14130), (2355, 11916), (2826, 9930), (2979, 9420), (3140, 8937), (3310, 8478), (3972, 7065), (4239, 6620), (4710, 5958), (4965, 5652)]