87777660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{63607}}^1$

素因数の和:63642

約数の個数: 48

約数和(自身を含む): 256467456

約数和(自身を除く): 168689796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 63607, 127214, 190821, 254428, 318035, 381642, 636070, 763284, 954105, 1272140, 1462961, 1908210, 2925922, 3816420, 4388883, 5851844, 7314805, 8777766, 14629610, 17555532, 21944415, 29259220, 43888830, 87777660]

約数ペア:

[(1, 87777660), (2, 43888830), (3, 29259220), (4, 21944415), (5, 17555532), (6, 14629610), (10, 8777766), (12, 7314805), (15, 5851844), (20, 4388883), (23, 3816420), (30, 2925922), (46, 1908210), (60, 1462961), (69, 1272140), (92, 954105), (115, 763284), (138, 636070), (230, 381642), (276, 318035), (345, 254428), (460, 190821), (690, 127214), (1380, 63607)]