87937980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112741}}^1$

素因数の和:112766

約数の個数: 48

約数和(自身を含む): 265169184

約数和(自身を除く): 177231204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 112741, 225482, 338223, 450964, 563705, 676446, 1127410, 1352892, 1465633, 1691115, 2254820, 2931266, 3382230, 4396899, 5862532, 6764460, 7328165, 8793798, 14656330, 17587596, 21984495, 29312660, 43968990, 87937980]

約数ペア:

[(1, 87937980), (2, 43968990), (3, 29312660), (4, 21984495), (5, 17587596), (6, 14656330), (10, 8793798), (12, 7328165), (13, 6764460), (15, 5862532), (20, 4396899), (26, 3382230), (30, 2931266), (39, 2254820), (52, 1691115), (60, 1465633), (65, 1352892), (78, 1127410), (130, 676446), (156, 563705), (195, 450964), (260, 338223), (390, 225482), (780, 112741)]