2780706120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{3547}}^1$

素因数の和:3747

約数の個数: 128

約数和(自身を含む): 8583321600

約数和(自身を除く): 5802615480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 139, 141, 188, 235, 278, 282, 376, 417, 470, 556, 564, 695, 705, 834, 940, 1112, 1128, 1390, 1410, 1668, 1880, 2085, 2780, 2820, 3336, 3547, 4170, 5560, 5640, 6533, 7094, 8340, 10641, 13066, 14188, 16680, 17735, 19599, 21282, 26132, 28376, 32665, 35470, 39198, 42564, 52264, 53205, 65330, 70940, 78396, 85128, 97995, 106410, 130660, 141880, 156792, 166709, 195990, 212820, 261320, 333418, 391980, 425640, 493033, 500127, 666836, 783960, 833545, 986066, 1000254, 1333672, 1479099, 1667090, 1972132, 2000508, 2465165, 2500635, 2958198, 3334180, 3944264, 4001016, 4930330, 5001270, 5916396, 6668360, 7395495, 9860660, 10002540, 11832792, 14790990, 19721320, 20005080, 23172551, 29581980, 46345102, 59163960, 69517653, 92690204, 115862755, 139035306, 185380408, 231725510, 278070612, 347588265, 463451020, 556141224, 695176530, 926902040, 1390353060, 2780706120]

約数ペア:

[(1, 2780706120), (2, 1390353060), (3, 926902040), (4, 695176530), (5, 556141224), (6, 463451020), (8, 347588265), (10, 278070612), (12, 231725510), (15, 185380408), (20, 139035306), (24, 115862755), (30, 92690204), (40, 69517653), (47, 59163960), (60, 46345102), (94, 29581980), (120, 23172551), (139, 20005080), (141, 19721320), (188, 14790990), (235, 11832792), (278, 10002540), (282, 9860660), (376, 7395495), (417, 6668360), (470, 5916396), (556, 5001270), (564, 4930330), (695, 4001016), (705, 3944264), (834, 3334180), (940, 2958198), (1112, 2500635), (1128, 2465165), (1390, 2000508), (1410, 1972132), (1668, 1667090), (1880, 1479099), (2085, 1333672), (2780, 1000254), (2820, 986066), (3336, 833545), (3547, 783960), (4170, 666836), (5560, 500127), (5640, 493033), (6533, 425640), (7094, 391980), (8340, 333418), (10641, 261320), (13066, 212820), (14188, 195990), (16680, 166709), (17735, 156792), (19599, 141880), (21282, 130660), (26132, 106410), (28376, 97995), (32665, 85128), (35470, 78396), (39198, 70940), (42564, 65330), (52264, 53205)]