76561980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 235243008

約数和(自身を除く): 158681028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 311, 330, 373, 622, 660, 746, 933, 1119, 1244, 1492, 1555, 1865, 1866, 2238, 3110, 3421, 3730, 3732, 4103, 4476, 4665, 5595, 6220, 6842, 7460, 8206, 9330, 10263, 11190, 12309, 13684, 16412, 17105, 18660, 20515, 20526, 22380, 24618, 34210, 41030, 41052, 49236, 51315, 61545, 68420, 82060, 102630, 116003, 123090, 205260, 232006, 246180, 348009, 464012, 580015, 696018, 1160030, 1276033, 1392036, 1740045, 2320060, 2552066, 3480090, 3828099, 5104132, 6380165, 6960180, 7656198, 12760330, 15312396, 19140495, 25520660, 38280990, 76561980]

約数ペア:

[(1, 76561980), (2, 38280990), (3, 25520660), (4, 19140495), (5, 15312396), (6, 12760330), (10, 7656198), (11, 6960180), (12, 6380165), (15, 5104132), (20, 3828099), (22, 3480090), (30, 2552066), (33, 2320060), (44, 1740045), (55, 1392036), (60, 1276033), (66, 1160030), (110, 696018), (132, 580015), (165, 464012), (220, 348009), (311, 246180), (330, 232006), (373, 205260), (622, 123090), (660, 116003), (746, 102630), (933, 82060), (1119, 68420), (1244, 61545), (1492, 51315), (1555, 49236), (1865, 41052), (1866, 41030), (2238, 34210), (3110, 24618), (3421, 22380), (3730, 20526), (3732, 20515), (4103, 18660), (4476, 17105), (4665, 16412), (5595, 13684), (6220, 12309), (6842, 11190), (7460, 10263), (8206, 9330)]